fix(deps): update dependency firebase-functions to ^4.8.2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
firebase-functions	^4.8.1 -> ^4.8.2

---

Release Notes

firebase/firebase-functions (firebase-functions)

### [`v4.8.2`](https://togithub.com/firebase/firebase-functions/releases/tag/v4.8.2) [Compare Source](https://togithub.com/firebase/firebase-functions/compare/v4.8.1...v4.8.2) Fix bug with CORS options for an array of one string ([#​1544](https://togithub.com/firebase/firebase-functions/issues/1544))

---

Configuration

📅 Schedule: Branch creation - "after 6am and before 10am on monday" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, 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 has been generated by Mend Renovate. View repository job log here.