ci(build_test): matrix job for each os

Author: brad-jones

.github/workflows/main.yml

@@ -23,3 +23,25 @@ jobs:
           out-file-path: "./.tools"
       - run: chmod +x ./.tools/dprint && echo "$PWD/.tools" >> $GITHUB_PATH
       - run: task lint
+
+  build_test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - ubuntu-latest
+          - windows-latest
+          - macos-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: arduino/setup-task@v1
+      - uses: actions/setup-dotnet@v4
+        with: { global-json-file: ./global.json }
+      - run: task test
+      - uses: actions/upload-artifact@v4
+        with:
+          name: ${{ matrix.os }}
+          path: bin/**/*
+          compression-level: 0
+          if-no-files-found: error