build(deps): bump google-github-actions/auth from 1.1.1 to 2.1.0 (#770)

Bumps [google-github-actions/auth](https://github.com/google-github-actions/auth) from 1.1.1 to 2.1.0.
- [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@35b0e87...5a50e58)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/publish_chart.yaml

@@ -61,7 +61,7 @@ jobs:
         run: helm push .artifacts/bucketeer-${{ env.BUCKETEER_VERSION }}.tgz oci://${{ env.REGISTRY }}/bucketeer-io/chart
       - name: Authenticate to Google Cloud
         id: auth
-        uses: google-github-actions/auth@35b0e87d162680511bf346c299f71c9c5c379033 # v1.1.1
+        uses: google-github-actions/auth@5a50e581162a13f4baa8916d01180d2acbc04363 # v2.1.0
         with:
           token_format: "access_token"
           workload_identity_provider: ${{ secrets.GAR_WORKLOAD_IDENTITY_PROVIDER }}

.github/workflows/push-image.yaml

@@ -127,7 +127,7 @@ jobs:
           done
       - name: Authenticate to Google Cloud
         id: auth
-        uses: google-github-actions/auth@35b0e87d162680511bf346c299f71c9c5c379033 # v1.1.1
+        uses: google-github-actions/auth@5a50e581162a13f4baa8916d01180d2acbc04363 # v2.1.0
         with:
           token_format: "access_token"
           workload_identity_provider: ${{ secrets.GAR_WORKLOAD_IDENTITY_PROVIDER }}
@@ -213,7 +213,7 @@ jobs:
           docker push ${{ env.GHCR_REGISTRY }}/bucketeer-web-v2:${{ needs.setup.outputs.IMAGE_TAG }}
       - name: Authenticate to Google Cloud
         id: auth
-        uses: google-github-actions/auth@35b0e87d162680511bf346c299f71c9c5c379033 # v1.1.1
+        uses: google-github-actions/auth@5a50e581162a13f4baa8916d01180d2acbc04363 # v2.1.0
         with:
           token_format: "access_token"
           workload_identity_provider: ${{ secrets.GAR_WORKLOAD_IDENTITY_PROVIDER }}