⬆️ 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

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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)

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Configuration

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