Update actions/checkout action to v2.4.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	patch	v2.4.0 -> v2.4.1

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Release Notes

actions/checkout

### [`v2.4.1`](https://togithub.com/actions/checkout/releases/v2.4.1) [Compare Source](https://togithub.com/actions/checkout/compare/v2.4.0...v2.4.1) - Fixed an issue where checkout failed to run in container jobs due to the new git setting `safe.directory`

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