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

[renovate]

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

Compare Source

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

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Configuration

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (75c1f75) 70.22% compared to head (d918aa7) 70.22%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #243   +/-   ##
=======================================
  Coverage   70.22%   70.22%           
=======================================
  Files          27       27           
  Lines         403      403           
  Branches       85       85           
=======================================
  Hits          283      283           
  Misses        119      119           
  Partials        1        1           

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