ci(deps): update actions/checkout action to v4.1.2

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	patch	v4.1.1 -> v4.1.2

---

Release Notes

actions/checkout (actions/checkout)

### [`v4.1.2`](https://togithub.com/actions/checkout/blob/HEAD/CHANGELOG.md#v412) [Compare Source](https://togithub.com/actions/checkout/compare/v4.1.1...v4.1.2) - Fix: Disable sparse checkout whenever `sparse-checkout` option is not present [@​dscho](https://togithub.com/dscho) in [https://github.com/actions/checkout/pull/1598](https://togithub.com/actions/checkout/pull/1598)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, 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.