Workflows: update google-github-actions/auth version in the templates

Author: michaelklishin

.github/workflows/templates/test-mixed-versions.template.yaml

@@ -99,7 +99,7 @@ jobs:
           https://builds.hex.pm
           https://cdn.jsdelivr.net/hex
     - name: AUTHENTICATE TO GOOGLE CLOUD
-      uses: google-github-actions/[email protected].3
+      uses: google-github-actions/[email protected].4
       with:
         credentials_json: ${{ secrets.REMOTE_CACHE_CREDENTIALS_JSON }}
     - name: BUILD SECONDARY UMBRELLA ARCHIVE

.github/workflows/templates/test.template.yaml

@@ -72,7 +72,7 @@ jobs:
       run: |
         echo "value=bazel-repo-cache-${{ hashFiles('MODULE.bazel') }}" | tee -a $GITHUB_OUTPUT
     - name: AUTHENTICATE TO GOOGLE CLOUD
-      uses: google-github-actions/[email protected].3
+      uses: google-github-actions/[email protected].4
       with:
         credentials_json: ${{ secrets.REMOTE_CACHE_CREDENTIALS_JSON }}
     - name: REPO CACHE