Update actions/checkout action to v4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v3.6.0 -> v4.0.0

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Release Notes

actions/checkout (actions/checkout)

### [`v4.0.0`](https://togithub.com/actions/checkout/blob/HEAD/CHANGELOG.md#v400) [Compare Source](https://togithub.com/actions/checkout/compare/v3.6.0...v4.0.0) - [Support fetching without the --progress option](https://togithub.com/actions/checkout/pull/1067) - [Update to node20](https://togithub.com/actions/checkout/pull/1436)

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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.

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• [ ] If you want to rebase/retry this PR, check this box

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[github-actions[bot]]

Test Results

145 tests  ±0   145 :heavy_check_mark: ±0   37s :stopwatch: -12s   69 suites ±0       0 :zzz: ±0    69 files   ±0       0 :x: ±0 

Results for commit fb57f45e. ± Comparison against base commit 3518c714.