Update GH Actions

.github/workflows/aarch64.yml

@@ -14,13 +14,13 @@ jobs:
     if: github.repository == 'crystal-lang/crystal'
     steps:
       - name: Download Crystal source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Build Crystal
         uses: docker://crystallang/crystal:1.13.2-alpine-84codes-build
         with:
           args: make crystal
       - name: Upload Crystal executable
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: crystal-aarch64-musl
           path: |
@@ -32,9 +32,9 @@ jobs:
     if: github.repository == 'crystal-lang/crystal'
     steps:
       - name: Download Crystal source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Download Crystal executable
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v6
         with:
           name: crystal-aarch64-musl
       - name: Mark downloaded compiler as executable
@@ -49,9 +49,9 @@ jobs:
     if: github.repository == 'crystal-lang/crystal'
     steps:
       - name: Download Crystal source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Download Crystal executable
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v6
         with:
           name: crystal-aarch64-musl
       - name: Mark downloaded compiler as executable
@@ -65,13 +65,13 @@ jobs:
     if: github.repository == 'crystal-lang/crystal'
     steps:
       - name: Download Crystal source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Build Crystal
         uses: docker://crystallang/crystal:1.13.2-ubuntu-84codes-build
         with:
           args: make crystal
       - name: Upload Crystal executable
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: crystal-aarch64-gnu
           path: |
@@ -83,9 +83,9 @@ jobs:
     if: github.repository == 'crystal-lang/crystal'
     steps:
       - name: Download Crystal source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Download Crystal executable
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v6
         with:
           name: crystal-aarch64-gnu
       - name: Mark downloaded compiler as executable
@@ -100,9 +100,9 @@ jobs:
     if: github.repository == 'crystal-lang/crystal'
     steps:
       - name: Download Crystal source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Download Crystal executable
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v6
         with:
           name: crystal-aarch64-gnu
       - name: Mark downloaded compiler as executable

.github/workflows/backport.yml

@@ -19,13 +19,13 @@ jobs:
     if: github.repository_owner == 'crystal-lang' && github.event.pull_request.merged == true && (github.event_name != 'labeled' || startsWith('backport', github.event.label.name))
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           ref: ${{ github.event.pull_request.head.sha }}
           token: ${{ secrets.BACKPORT_ACTION_GITHUB_PAT }}
 
       - name: Create backport PR
-        uses: korthout/backport-action@be567af183754f6a5d831ae90f648954763f17f5 # v3.1.0
+        uses: korthout/backport-action@d07416681cab29bf2661702f925f020aaa962997 # v3.4.1
         with:
           github_token: ${{ secrets.BACKPORT_ACTION_GITHUB_PAT }}
           # Config README: https://github.com/korthout/backport-action#backport-action

.github/workflows/docs.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Download Crystal source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Prepare System
         run: bin/ci prepare_system
@@ -34,7 +34,7 @@ jobs:
         run: echo "$GITHUB_SHA" > ./docs/revision.txt
 
       - name: Configure AWS Credentials
-        uses: aws-actions/configure-aws-credentials@v4
+        uses: aws-actions/configure-aws-credentials@v5
         with:
           aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
           aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}

.github/workflows/forward-compatibility.yml

@@ -52,7 +52,7 @@ jobs:
             flags: "USE_PCRE1=true"
     steps:
       - name: Download Crystal source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Prepare System
         run: bin/ci prepare_system

.github/workflows/interpreter.yml

@@ -18,7 +18,7 @@ jobs:
       image: crystallang/crystal:1.15.1-build
     name: "Test Interpreter"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Test interpreter_spec
         run: make interpreter_spec junit_output=.junit/interpreter_spec.xml
@@ -29,13 +29,13 @@ jobs:
       image: crystallang/crystal:1.15.1-build
     name: Build interpreter
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Build compiler
         run: make interpreter=1 release=1
 
       - name: Upload compiler artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: crystal-interpreter
           path: |
@@ -51,10 +51,10 @@ jobs:
         part: [0, 1, 2, 3]
     name: "Test std_spec with interpreter (${{ matrix.part }})"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Download compiler artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v6
         with:
           name: crystal-interpreter
           path: .build/
@@ -72,10 +72,10 @@ jobs:
       image: crystallang/crystal:1.15.1-build
     name: "Test primitives_spec with interpreter"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Download compiler artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v6
         with:
           name: crystal-interpreter
           path: .build/

.github/workflows/lint-actionlint.yml

@@ -11,6 +11,6 @@ jobs:
   actionlint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Check workflow files
         uses: docker://rhysd/actionlint:latest

.github/workflows/linux.yml

@@ -34,7 +34,7 @@ jobs:
           - crystal_bootstrap_version: 1.15.1 # LATEST RELEASE
     steps:
       - name: Download Crystal source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Prepare System
         run: bin/ci prepare_system
@@ -52,7 +52,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Download Crystal source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Prepare System
         run: bin/ci prepare_system
@@ -70,7 +70,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Download Crystal source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Prepare System
         run: bin/ci prepare_system
@@ -91,7 +91,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Download Crystal source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Prepare System
         run: bin/ci prepare_system

.github/workflows/llvm.yml

@@ -44,7 +44,7 @@ jobs:
     name: "LLVM ${{ matrix.llvm_version }}"
     steps:
       - name: Checkout Crystal source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install LLVM ${{ matrix.llvm_version }}
         run: |

.github/workflows/macos.yml

@@ -25,14 +25,14 @@ jobs:
           arch: aarch64-darwin
     steps:
       - name: Download Crystal source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
-      - uses: cachix/install-nix-action@v30
+      - uses: cachix/install-nix-action@v31
         with:
           extra_nix_config: |
             experimental-features = nix-command
 
-      - uses: cachix/cachix-action@v15
+      - uses: cachix/cachix-action@v16
         with:
           name: crystal-ci
           signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'

.github/workflows/mingw-w64.yml

@@ -13,11 +13,11 @@ env:
 
 jobs:
   x86_64-mingw-w64-build:
-    runs-on: windows-2022
+    runs-on: windows-2025
     steps:
       - name: Setup MSYS2
         id: msys2
-        uses: msys2/setup-msys2@d44ca8e88d8b43d56cf5670f91747359d5537f97 # v2.26.0
+        uses: msys2/setup-msys2@fb197b72ce45fb24f17bf3f807a388985654d1f2 # v2.29.0
         with:
           msystem: UCRT64
           update: true
@@ -33,7 +33,7 @@ jobs:
           git config --global core.autocrlf false
 
       - name: Download Crystal source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Build Crystal
         shell: msys2 {0}
@@ -44,7 +44,7 @@ jobs:
         run: make install install_dlls deref_symlinks=1 PREFIX="$(pwd)/crystal"
 
       - name: Download shards release
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           repository: crystal-lang/shards
           ref: v0.19.1
@@ -64,17 +64,17 @@ jobs:
           ldd bin/shards.exe | grep -iv ' => /c/windows/system32' | sed 's/.* => //; s/ (.*//' | xargs -t -i /usr/bin/install -m 0755 '{}' "$(pwd)/../crystal/bin/"
 
       - name: Upload Crystal executable
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: x86_64-mingw-w64-crystal
           path: crystal
 
   x86_64-mingw-w64-test-stdlib:
-    runs-on: windows-2022
+    runs-on: windows-2025
     steps:
       - name: Setup MSYS2
         id: msys2
-        uses: msys2/setup-msys2@d44ca8e88d8b43d56cf5670f91747359d5537f97 # v2.26.0
+        uses: msys2/setup-msys2@fb197b72ce45fb24f17bf3f807a388985654d1f2 # v2.29.0
         with:
           msystem: UCRT64
           update: true
@@ -90,7 +90,7 @@ jobs:
           git config --global core.autocrlf false
 
       - name: Download Crystal source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Run stdlib specs
         shell: msys2 {0}
@@ -99,11 +99,11 @@ jobs:
           make std_spec
 
   x86_64-mingw-w64-test-compiler:
-    runs-on: windows-2022
+    runs-on: windows-2025
     steps:
       - name: Setup MSYS2
         id: msys2
-        uses: msys2/setup-msys2@d44ca8e88d8b43d56cf5670f91747359d5537f97 # v2.26.0
+        uses: msys2/setup-msys2@fb197b72ce45fb24f17bf3f807a388985654d1f2 # v2.29.0
         with:
           msystem: UCRT64
           update: true
@@ -119,7 +119,7 @@ jobs:
           git config --global core.autocrlf false
 
       - name: Download Crystal source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Run compiler specs
         shell: msys2 {0}

.github/workflows/openssl.yml

@@ -46,7 +46,7 @@ jobs:
             repository: http://dl-cdn.alpinelinux.org/alpine/v3.20/community
     steps:
       - name: Download Crystal source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Uninstall openssl and conflicts
         run: apk del openssl-dev openssl-libs-static libxml2-static
       - name: Install ${{ matrix.pkg }}

.github/workflows/regex-engine.yml

@@ -32,7 +32,7 @@ jobs:
     container: crystallang/crystal:1.15.1-alpine
     steps:
       - name: Download Crystal source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Remove PCRE2
         run: apk del pcre2-dev
       - name: Assert using PCRE
@@ -47,7 +47,7 @@ jobs:
     container: crystallang/crystal:1.15.1-alpine
     steps:
       - name: Download Crystal source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Assert using PCRE2
         run: bin/crystal eval 'abort unless Regex::Engine == Regex::PCRE2'
       - name: Assert select PCRE

.github/workflows/smoke.yml

@@ -77,7 +77,7 @@ jobs:
 
     steps:
       - name: Download Crystal source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Build fresh compiler
         run: bin/ci with_build_env make

.github/workflows/wasm32.yml

@@ -17,7 +17,7 @@ jobs:
     container: crystallang/crystal:1.15.1-build
     steps:
       - name: Download Crystal source
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install wasmtime
         uses: mwilliamson/setup-wasmtime-action@v2