Update actions/setup-node action to v4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/setup-node	action	major	v2 -> v4

---

Release Notes

actions/setup-node (actions/setup-node)

### [`v4`](https://redirect.github.com/actions/setup-node/compare/v3...v4) [Compare Source](https://redirect.github.com/actions/setup-node/compare/v3...v4) ### [`v3`](https://redirect.github.com/actions/setup-node/compare/v2...v3) [Compare Source](https://redirect.github.com/actions/setup-node/compare/v2...v3)

---

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, check this box

---

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