chore(deps): update actions/checkout action to v3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v2.4.0 -> v3.0.0

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Release Notes

actions/checkout

### [`v3.0.0`](https://togithub.com/actions/checkout/releases/v3.0.0) [Compare Source](https://togithub.com/actions/checkout/compare/v2.4.0...v3.0.0) - Update default runtime to node16

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Configuration

📅 Schedule: "after 10pm every weekday,before 5am every weekday,every weekend" in timezone Europe/Berlin.

🚦 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.

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• [ ] If you want to rebase/retry this PR, click this checkbox.

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