build(deps): bump google-github-actions/auth from 2 to 3 (#323)

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Author: dependabot[bot]

.github/workflows/cloudrun-rollback.yml

@@ -45,7 +45,7 @@ jobs:
 
     steps:
       - name: Authenticate to GCP
-        uses: google-github-actions/auth@v2
+        uses: google-github-actions/auth@v3
         with:
           credentials_json: ${{ secrets.GCP_SA_KEY }}