[rbe] Disable GHA caches (#13577)

.github/workflows/bazel.yml

@@ -26,6 +26,11 @@ on:
         required: false
         type: string
         default: ''
+      caching:
+        description: Toggle caching of Bazel
+        required: false
+        type: boolean
+        default: true 
       cache-key:
         description: Bazel disk cache key
         required: false
@@ -86,8 +91,9 @@ jobs:
         with:
           java-version: ${{ inputs.java-version }}
           distribution: 'temurin'
-      - name: Setup Bazel
-        uses: p0deje/[email protected]
+      - name: Setup Bazel with caching
+        if: inputs.caching
+        uses: p0deje/[email protected]
         with:
           bazelisk-cache: true
           bazelrc: common --color=yes
@@ -100,6 +106,11 @@ jobs:
               pypi__pip: py/requirements_lock.txt
               ruby: ${{ inputs.os == 'windows' && 'false' || 'rb/.ruby-version' }}
           repository-cache: true
+      - name: Setup Bazel without caching
+        if: inputs.caching == false
+        uses: p0deje/[email protected]
+        with:
+          bazelrc: common --color=yes
       - name: Setup Fluxbox and Xvfb
         if: inputs.os == 'ubuntu' && inputs.browser != ''
         run: |

.github/workflows/ci-rbe.yml

@@ -14,7 +14,7 @@ jobs:
     uses: ./.github/workflows/bazel.yml
     with:
       name: Check format script run
-      cache-key: rbe
+      caching: false
       ruby-version: jruby-9.4.5.0
       run: ./scripts/github-actions/check-format.sh
 
@@ -23,8 +23,7 @@ jobs:
     if: github.repository_owner == 'seleniumhq'
     uses: ./.github/workflows/bazel.yml
     with:
-      # TODO: experiment with turning off caches
       name: All RBE tests
-      cache-key: rbe
+      caching: false
       ruby-version: jruby-9.4.5.0
       run: ./scripts/github-actions/ci-build.sh