improve bazel github ci (#811)

.bazelignore

@@ -0,0 +1,4 @@
+build
+cmake-build-debug-coverage
+cmake-build-debug
+cmake-build-release

.github/workflows/ubuntu-bazel.yml → .github/workflows/bazel.yml

@@ -1,4 +1,4 @@
-name: Ubuntu 22.04 Bazel
+name: Bazel
 
 on:
   pull_request:
@@ -15,21 +15,38 @@ on:
 
 permissions:
   contents: read
+  actions: write
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 jobs:
-  ubuntu-bazel:
-    runs-on: ubuntu-22.04
+  macos:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: bazel-contrib/setup-bazel@bbf8fe8b219f642c7f8bc673215f28eb1d9dec51 # v0.10.0
+        with:
+          bazelisk-cache: true
+          disk-cache: ${{ github.workflow }}
+          repository-cache: true
+      - name: Build & Test
+        run: bazel test //...
+  ubuntu:
     strategy:
+      fail-fast: false
       matrix:
         shared: [ON, OFF]
         cxx: [g++-12, clang++-14]
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-      - uses: bazelbuild/setup-bazelisk@v3
+      - uses: bazel-contrib/setup-bazel@bbf8fe8b219f642c7f8bc673215f28eb1d9dec51 # v0.10.0
+        with:
+          bazelisk-cache: true
+          disk-cache: ${{ github.workflow }}
+          repository-cache: true
       - name: Build & Test
         run: bazel test //...
         env: