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]

Codecov Report

Merging #1583 (1b7034d) into main (adca6a8) will increase coverage by 0.03%.
Report is 7 commits behind head on main.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #1583      +/-   ##
==========================================
+ Coverage   81.96%   82.00%   +0.03%     
==========================================
  Files          26       26              
  Lines        2739     2739              
  Branches      408      408              
==========================================
+ Hits         2245     2246       +1     
+ Misses        398      397       -1     
  Partials       96       96