build(deps): bump the ci group with 1 update

Bumps the ci group with 1 update: [google-github-actions/auth](https://github.com/google-github-actions/auth).


Updates `google-github-actions/auth` from 2.1.0 to 2.1.1
- [Release notes](https://github.com/google-github-actions/auth/releases)
- [Changelog](https://github.com/google-github-actions/auth/blob/main/CHANGELOG.md)
- [Commits](google-github-actions/auth@5a50e58...a6e2e39)

---
updated-dependencies:
- dependency-name: google-github-actions/auth
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: ci
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/integration-cleanup.yaml

@@ -45,7 +45,7 @@ jobs:
           wget https://github.com/graillus/gcrgc/releases/download/v${GCRGC_VERSION}/gcrgc_${GCRGC_VERSION}_linux_amd64.tar.gz -O - | tar xz
           mv gcrgc ~/.local/bin/
       - name: Authenticate to Google Cloud
-        uses: google-github-actions/auth@5a50e581162a13f4baa8916d01180d2acbc04363 # v2.1.0
+        uses: google-github-actions/auth@a6e2e39c0a0331da29f7fd2c2a20a427e8d3ad1f # v2.1.1
         with:
           credentials_json: '${{ secrets.CLEANUP_E2E_GOOGLE_CREDENTIALS }}'
       - name: Setup gcloud

.github/workflows/integration-gcp.yaml

@@ -30,7 +30,7 @@ jobs:
           go-version: 1.20.x
           cache-dependency-path: oci/tests/integration/go.sum
       - name: Authenticate to Google Cloud
-        uses: google-github-actions/auth@5a50e581162a13f4baa8916d01180d2acbc04363 # v2.1.0
+        uses: google-github-actions/auth@a6e2e39c0a0331da29f7fd2c2a20a427e8d3ad1f # v2.1.1
         id: 'auth'
         with:
           credentials_json: '${{ secrets.OCI_E2E_GOOGLE_CREDENTIALS }}'