Update Node.js to v18.6.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
node	final	minor	18.5.0-alpine3.15 -> 18.6.0-alpine3.15

---

Release Notes

nodejs/node

### [`v18.6.0`](https://togithub.com/nodejs/node/compare/v18.5.0...v18.6.0) [Compare Source](https://togithub.com/nodejs/node/compare/v18.5.0...v18.6.0)

---

Configuration

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

---

This PR has been generated by Mend Renovate. View repository job log here.