Update dependency eslint-config-amo to v1.22.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
eslint-config-amo	devDependencies	minor	1.21.0 -> 1.22.0

---

Release Notes

mozilla/eslint-config-amo

### [`v1.22.0`](https://togithub.com/mozilla/eslint-config-amo/releases/1.22.0) [Compare Source](https://togithub.com/mozilla/eslint-config-amo/compare/1.21.0...1.22.0) - Lock file maintenance since `1.21.0`

---

Renovate configuration

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

:vertical_traffic_light: Automerge: Disabled by config. Please merge this manually once you are satisfied.

:recycle: Rebasing: Whenever PR becomes conflicted, or if you modify the PR title to begin with "rebase!".

:no_bell: 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 Renovate Bot. View repository job log here.