Update actions/checkout action to v4

[balena-renovate[bot]]

This PR contains the following updates:

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

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Release Notes

actions/checkout (actions/checkout)

### [`v4`](https://togithub.com/actions/checkout/blob/HEAD/CHANGELOG.md#v410) [Compare Source](https://togithub.com/actions/checkout/compare/v3...v4) - [Add support for partial checkout filters](https://togithub.com/actions/checkout/pull/1396)

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Configuration

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