chore(deps): update google-github-actions/auth action to v2.1.6

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
google-github-actions/auth	action	patch	v2.1.5 -> v2.1.6

---

Release Notes

google-github-actions/auth (google-github-actions/auth)

### [`v2.1.6`](https://redirect.github.com/google-github-actions/auth/compare/v2.1.5...v2.1.6) [Compare Source](https://redirect.github.com/google-github-actions/auth/compare/v2.1.5...v2.1.6)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[github-actions[bot]]

659418445af45d728334754e7399b4ed3a2c8cf7 のPR用環境: サイト, ログ