⬆️ deps: Upgrade actions/checkout action to v4.2.0.

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	minor	v4.1.7 -> v4.2.0

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Release Notes

actions/checkout (actions/checkout)

v4.2.0

Compare Source

• Add Ref and Commit outputs by @​lucacome in https://github.com/actions/checkout/pull/1180
• Dependency updates by @​dependabot- https://github.com/actions/checkout/pull/1777, https://github.com/actions/checkout/pull/1872

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Configuration

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