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

• Check out other refs/* by commit if provided, fall back to ref by @​orhantoy in https://github.com/actions/checkout/pull/1924

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Configuration

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.70%. Comparing base (7e3d8df) to head (ded3b29).
Report is 1 commits behind head on main.

❗ Current head ded3b29 differs from pull request most recent head 856f0f9. Consider uploading reports for the commit 856f0f9 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main       #5   +/-   ##
=======================================
  Coverage   74.70%   74.70%           
=======================================
  Files           5        5           
  Lines         170      170           
  Branches       24       24           
=======================================
  Hits          127      127           
  Misses         37       37           
  Partials        6        6           

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