chore(deps): update gcr.io/bazel-public/bazel docker tag to v7.6.0

Author: renovate[bot]

.github/workflows/main.yml

@@ -8,7 +8,7 @@ jobs:
   test_job:
     runs-on: ubuntu-22.04
     container:
-      image: gcr.io/bazel-public/bazel:7.0.0
+      image: gcr.io/bazel-public/bazel:7.6.0
       volumes:
         - /usr/bin/docker:/usr/bin/docker
         - /var/run/docker.sock:/var/run/docker.sock