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-commenter]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (1696771) 99.24% compared to head (f5fce15) 99.24%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #191   +/-   ##
=======================================
  Coverage   99.24%   99.24%           
=======================================
  Files           3        3           
  Lines         399      399           
  Branches       50       50           
=======================================
  Hits          396      396           
  Misses          3        3           

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