Update dependency utf-8-validate to v6

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
utf-8-validate	^5.0.2 -> ^6.0.0

---

Release Notes

websockets/utf-8-validate (utf-8-validate)

### [`v6.0.3`](https://togithub.com/websockets/utf-8-validate/compare/v6.0.2...v6.0.3) [Compare Source](https://togithub.com/websockets/utf-8-validate/compare/v6.0.2...v6.0.3) ### [`v6.0.2`](https://togithub.com/websockets/utf-8-validate/compare/v6.0.1...v6.0.2) [Compare Source](https://togithub.com/websockets/utf-8-validate/compare/v6.0.1...v6.0.2) ### [`v6.0.1`](https://togithub.com/websockets/utf-8-validate/compare/v6.0.0...v6.0.1) [Compare Source](https://togithub.com/websockets/utf-8-validate/compare/v6.0.0...v6.0.1) ### [`v6.0.0`](https://togithub.com/websockets/utf-8-validate/compare/v5.0.10...v6.0.0) [Compare Source](https://togithub.com/websockets/utf-8-validate/compare/v5.0.10...v6.0.0)

---

Configuration

📅 Schedule: Branch creation - "every weekday" (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.