chore(deps): update node.js to v18.20.4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
node (source)	volta	patch	18.20.3 -> 18.20.4

---

Release Notes

nodejs/node (node)

### [`v18.20.4`](https://togithub.com/nodejs/node/compare/v18.20.3...v18.20.4) [Compare Source](https://togithub.com/nodejs/node/compare/v18.20.3...v18.20.4)

---

Configuration

📅 Schedule: Branch creation - "every weekend" in timezone Europe/Brussels, 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.