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 lines are covered by tests ✅

Comparison is base (79e1f4d) 76.50% compared to head (bdab301) 76.50%.

Additional details and impacted files

@@            Coverage Diff            @@
##             master      #40   +/-   ##
=========================================
  Coverage     76.50%   76.50%           
  Complexity      141      141           
=========================================
  Files            26       26           
  Lines           468      468           
  Branches         52       52           
=========================================
  Hits            358      358           
  Misses           93       93           
  Partials         17       17           

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