feat(ci): check multiple bazel versions

Author: not-matthias

.github/workflows/ci.yml

@@ -100,6 +100,7 @@ jobs:
             runner: "codspeed-macro"
           - codspeed-mode: "off"
             runner: "ubuntu-latest"
+        bazel-version: ["7.6.2", "8.4.2", "9.0.0-pre.20250921.2"]
     runs-on: ${{ matrix.runner }}
     steps:
       - uses: actions/checkout@v4
@@ -119,6 +120,8 @@ jobs:
       - name: Build and run benchmarks
         run: |
           bazel build //examples/google_benchmark_bazel:my_benchmark --//core:codspeed_mode=${{ matrix.codspeed-mode }}
+        env:
+          USE_BAZEL_VERSION: ${{ matrix.bazel-version }}
 
       - name: Run the benchmarks
         uses: CodSpeedHQ/action@main