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 (63bb76c) 66.64% compared to head (2157270) 66.64%.
Report is 13 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #159   +/-   ##
=======================================
  Coverage   66.64%   66.64%           
=======================================
  Files          48       48           
  Lines        1937     1937           
  Branches       88       88           
=======================================
  Hits         1291     1291           
  Misses        634      634           
  Partials       12       12           

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