chore(deps): update devdependency stylelint to ^14.9.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
stylelint (source)	^14.9.0 -> ^14.9.1

---

Release Notes

stylelint/stylelint

### [`v14.9.1`](https://togithub.com/stylelint/stylelint/blob/HEAD/CHANGELOG.md#​1491) [Compare Source](https://togithub.com/stylelint/stylelint/compare/14.9.0...14.9.1) - Fixed: `selector-max-specificity` false positives for `:nth-child` ([#​6140](https://togithub.com/stylelint/stylelint/pull/6140)).

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - 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 Mend Renovate. View repository job log here.