chore(deps): update actions/setup-node action to v4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/setup-node	action	major	v3 -> v4

---

Release Notes

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

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

---

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

[codecov[bot]]

Codecov Report

Merging #201 (ca48d71) into main (7d5a989) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #201   +/-   ##
=======================================
  Coverage   86.99%   86.99%           
=======================================
  Files           8        8           
  Lines        1007     1007           
  Branches      166      166           
=======================================
  Hits          876      876           
  Misses        131      131