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

• Check out other refs/* by commit if provided, fall back to ref by @​orhantoy in https://github.com/actions/checkout/pull/1924

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Configuration

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.92%. Comparing base (a94e2b5) to head (2cb9ad5).
Report is 92 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #556      +/-   ##
==========================================
+ Coverage   92.38%   92.92%   +0.53%     
==========================================
  Files          26       27       +1     
  Lines        1944     2148     +204     
  Branches      405      450      +45     
==========================================
+ Hits         1796     1996     +200     
- Misses        102      103       +1     
- Partials       46       49       +3     

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