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 80.31%. Comparing base (37bdc59) to head (49fc3fb).

Additional details and impacted files

@@            Coverage Diff            @@
##               main      #21   +/-   ##
=========================================
  Coverage     80.31%   80.31%           
  Complexity       24       24           
=========================================
  Files             4        4           
  Lines           127      127           
=========================================
  Hits            102      102           
  Misses           25       25           

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