chore(deps): update actions/checkout action to v4

[jnewland-renovate]

Greetings. Renovate would like you to know that there's an update available for your consideration.

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v3.6.0 -> v4.0.0

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Release Notes

actions/checkout (actions/checkout)

v4.0.0

Compare Source

• Support fetching without the --progress option
• Update to node20

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• If you want to rebase/retry this PR, check this box

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