Update hmarr/auto-approve-action action to v2.2.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
hmarr/auto-approve-action	action	patch	v2.2.0 -> v2.2.1

---

Release Notes

hmarr/auto-approve-action

### [`v2.2.1`](https://togithub.com/hmarr/auto-approve-action/releases/v2.2.1) [Compare Source](https://togithub.com/hmarr/auto-approve-action/compare/v2.2.0...v2.2.1) - Switch back to using Node 12, as the Node 16 upgrade in v2.2.0 caused issues for people using self-hosted runners with GHES versions prior to 3.4 **Full Changelog**: https://github.com/hmarr/auto-approve-action/compare/v2.2.0...v2.2.1

---

Configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ 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 WhiteSource Renovate. View repository job log here.