chore(deps): bump google-github-actions/auth in the actions group (#4041

)

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


Updates `google-github-actions/auth` from 2.1.7 to 2.1.8
- [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@6fc4af4...71f9864)

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

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

.github/workflows/build.yaml

@@ -59,7 +59,7 @@ jobs:
       - uses: ko-build/setup-ko@d982fec422852203cfb2053a8ec6ad302280d04d # v0.8
 
       - name: Set up Cloud SDK
-        uses: google-github-actions/auth@6fc4af4b145ae7821d527454aa9bd537d1f2dc5f # v2.1.7
+        uses: google-github-actions/auth@71f986410dfbc7added4569d411d040a91dc6935 # v2.1.8
         with:
           workload_identity_provider: 'projects/498091336538/locations/global/workloadIdentityPools/githubactions/providers/sigstore-cosign'
           service_account: '[email protected]'