Update actions/checkout action to v3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v2 -> v3

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Release Notes

actions/checkout

### [`v3`](https://togithub.com/actions/checkout/blob/HEAD/CHANGELOG.md#v302) [Compare Source](https://togithub.com/actions/checkout/compare/v2...v3) - [Add input `set-safe-directory`](https://togithub.com/actions/checkout/pull/770)

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Configuration

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

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♻ 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, click this checkbox.

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[github-actions[bot]]

Unit Test Results

3 tests  ±0   3 :heavy_check_mark: ±0   2s :stopwatch: ±0s 2 suites ±0   0 :zzz: ±0  2 files   ±0   0 :x: ±0 

Results for commit 4f4f1e11. ± Comparison against base commit 55519979.