build(deps): bump google-github-actions/auth from 2.1.5 to 2.1.6

Bumps [google-github-actions/auth](https://github.com/google-github-actions/auth) from 2.1.5 to 2.1.6.
- [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@v2.1.5...v2.1.6)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/gcr-cleaner.yml

@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v4.2.0
       - id: "auth"
         name: "Authenticate to GCP"
-        uses: google-github-actions/auth@v2.1.5
+        uses: google-github-actions/auth@v2.1.6
         with:
           workload_identity_provider: ${{env.GCP_WORKLOAD_IDENTITY_PROVIDER}}
           service_account: ${{env.GCP_SERVICE_ACCOUNT}}

.github/workflows/release.yml

@@ -401,7 +401,7 @@ jobs:
         if: ${{ github.event_name == 'push' }}
       - id: "auth"
         name: "Authenticate to GCP"
-        uses: google-github-actions/auth@v2.1.5
+        uses: google-github-actions/auth@v2.1.6
         with:
           workload_identity_provider: ${{env.GCP_WORKLOAD_IDENTITY_PROVIDER}}
           service_account: ${{env.GCP_SERVICE_ACCOUNT}}
@@ -520,7 +520,7 @@ jobs:
       - uses: actions/checkout@v4.2.0
       - id: "auth"
         name: "Authenticate to GCP"
-        uses: google-github-actions/auth@v2.1.5
+        uses: google-github-actions/auth@v2.1.6
         with:
           workload_identity_provider: ${{env.GCP_WORKLOAD_IDENTITY_PROVIDER}}
           service_account: ${{env.GCP_SERVICE_ACCOUNT}}
@@ -551,7 +551,7 @@ jobs:
       - id: "auth"
         if: ${{ steps.get_run_numbers.outputs.result != '' }}
         name: "Authenticate to GCP"
-        uses: google-github-actions/auth@v2.1.5
+        uses: google-github-actions/auth@v2.1.6
         with:
           workload_identity_provider: ${{env.GCP_WORKLOAD_IDENTITY_PROVIDER}}
           service_account: ${{env.GCP_SERVICE_ACCOUNT}}

.github/workflows/remove_app_engine_versions.yml

@@ -27,7 +27,7 @@ jobs:
       - id: "auth"
         if: ${{ steps.get_run_numbers.outputs.result != '' }}
         name: "Authenticate to GCP"
-        uses: google-github-actions/auth@v2.1.5
+        uses: google-github-actions/auth@v2.1.6
         with:
           workload_identity_provider: "projects/765091727073/locations/global/workloadIdentityPools/hato-atama-workload-identity/providers/github"
           service_account: "actions-deploy@hato-atama.iam.gserviceaccount.com"