build(deps): bump google-github-actions/auth from 2.1.0 to 2.1.7

Bumps [google-github-actions/auth](https://github.com/google-github-actions/auth) from 2.1.0 to 2.1.7.
- [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...6fc4af4)

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

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

.github/workflows/release.yml

@@ -134,7 +134,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [gh-release]
     steps:
-    - uses: google-github-actions/auth@5a50e581162a13f4baa8916d01180d2acbc04363
+    - uses: google-github-actions/auth@6fc4af4b145ae7821d527454aa9bd537d1f2dc5f
       with:
         credentials_json: ${{ secrets.LINKERD_SITE_TOKEN }}
     - uses: google-github-actions/setup-gcloud@6189d56e4096ee891640bb02ac264be376592d6a