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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[reviewflow]

Progress

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☑️ Step 3: 👌 Code Review
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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (3136d3a) 51.97% compared to head (ef3cb55) 51.97%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #815   +/-   ##
=======================================
  Coverage   51.97%   51.97%           
=======================================
  Files          23       23           
  Lines         912      912           
  Branches      264      264           
=======================================
  Hits          474      474           
  Misses        438      438           

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