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

All modified and coverable lines are covered by tests ✅

Project coverage is 70.92%. Comparing base (bb5a319) to head (9e7dc62).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #402   +/-   ##
=======================================
  Coverage   70.92%   70.92%           
=======================================
  Files          57       57           
  Lines        4461     4461           
=======================================
  Hits         3164     3164           
  Misses        928      928           
  Partials      369      369           

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