Update actions/checkout action to v3.4.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	minor	v3.3.0 -> v3.4.0

---

Release Notes

actions/checkout

### [`v3.4.0`](https://togithub.com/actions/checkout/blob/HEAD/CHANGELOG.md#v340) [Compare Source](https://togithub.com/actions/checkout/compare/v3.3.0...v3.4.0) - [Upgrade codeql actions to v2](https://togithub.com/actions/checkout/pull/1209) - [Upgrade dependencies](https://togithub.com/actions/checkout/pull/1210) - [Upgrade @​actions/io](https://togithub.com/actions/checkout/pull/1225)

---

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.