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
actions/checkout	action	major	v2 -> 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 99.59%. Comparing base (e69514e) to head (5eeb75f).
Report is 4 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master       #4   +/-   ##
=========================================
  Coverage     99.59%   99.59%           
  Complexity      217      217           
=========================================
  Files            14       14           
  Lines           488      488           
=========================================
  Hits            486      486           
  Misses            2        2           

Flag	Coverage Δ
unittests	99.59% <ø> (ø)

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[github-actions]

🎉 This PR is included in version 3.0.4 🎉

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