switch CI to bazelisk

Author: noahdietz

.github/workflows/ci.yaml

@@ -88,13 +88,14 @@ jobs:
         apidiff -incompatible pkg.latest github.com/googleapis/gapic-showcase/client > diff.txt && cat diff.txt && ! [ -s diff.txt ]
   bazel-build:
     runs-on: ubuntu-latest
-    env:
-      USE_BAZEL_VERSION: 6.0.0
-    container: gcr.io/gapic-images/googleapis:latest
-    # Dockerfile for this image: https://github.com/googleapis/googleapis-discovery/blob/master/Dockerfile
     steps:
     - uses: actions/checkout@v4
-    - name: Run bazel build
-      run: bazelisk build '//...'
-    - name: Run bazel test
+    - uses: bazel-contrib/setup-bazel@0.8.1
+      with:
+        # Avoid downloading Bazel every time.
+        bazelisk-cache: true
+        # Store build cache per workflow.
+        disk-cache: ${{ github.workflow }}
+        # Share repository cache between workflows.
+        repository-cache: true
       run: bazelisk test '//...'

.github/workflows/deps.yaml

@@ -14,12 +14,16 @@ jobs:
     outputs:
       changed: ${{ steps.update.outputs.changed }}
     runs-on: ubuntu-latest
-    env:
-      USE_BAZEL_VERSION: 6.0.0
-    container: gcr.io/gapic-images/googleapis:latest
-    # Dockerfile for this image: https://github.com/googleapis/googleapis-discovery/blob/master/Dockerfile
     steps:
     - uses: actions/checkout@v4
+    - uses: bazel-contrib/setup-bazel@0.8.1
+      with:
+        # Avoid downloading Bazel every time.
+        bazelisk-cache: true
+        # Store build cache per workflow.
+        disk-cache: ${{ github.workflow }}
+        # Share repository cache between workflows.
+        repository-cache: true
     - name: Run gazelle update-repos
       id: update
       run: |