Add 5.7 builds

Author: thomasvl

.github/workflows/build.yml

@@ -15,13 +15,16 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        swift: ["5.6.3", "5.5.3", "5.4.3", "5.3.3", "5.2.5", "5.1.5", "5.0.3"]
+        swift: ["5.7.0", "5.6.3", "5.5.3", "5.4.3", "5.3.3", "5.2.5", "5.1.5", "5.0.3"]
         # protobuf_git can reference a commit, tag, or branch
         # commit: "commits/6935eae45c99926a000ecbef0be20dfd3d159e71"
         # tag: "ref/tags/v3.11.4"
         # branch: "ref/heads/main"
         protobuf_git: ["ref/heads/main"]
         include:
+          - swift: 5.7.0
+            ubuntu: focal
+            generate_linux_main: false
           - swift: 5.6.3
             ubuntu: focal
             generate_linux_main: false

.github/workflows/regular_conformance.yml

@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        swift: ["5.6.3"]
+        swift: ["5.7.0"]
         ubuntu: ["focal"]
         # protobuf_git can reference a commit, tag, or branch
         # commit: "commits/6935eae45c99926a000ecbef0be20dfd3d159e71"