Update CI actions and OS. Also use bazel-contrib/setup-bazel

.github/workflows/ci.yml

@@ -11,10 +11,14 @@ jobs:
       USE_BAZEL_VERSION: ${{ matrix.bazel_version }}
     strategy:
       matrix:
-        os: [ubuntu-20.04]
-        bazel_version: [bazelbuild/5.4.0, bazelbuild/6.3.2]
+        os: [ubuntu-22.04]
+        bazel_version: [bazelbuild/6.5.0, bazelbuild/7.1.1]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/[email protected]
+      - uses: actions/[email protected]
+      - uses: bazel-contrib/[email protected]
+        with:
+          bazelisk-version: 1.19.0
       - run: cat .bazelrc.ci >> .bazelrc
       - run: ./scripts/lint.sh
       - run: ./test/run_all_tests.sh ci