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 86.95%. Comparing base (f599a4e) to head (bb9e941).
Report is 4 commits behind head on master.

❗ Current head bb9e941 differs from pull request most recent head 2dd4d6c

Please upload reports for the commit 2dd4d6c to get more accurate results.

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #69   +/-   ##
=======================================
  Coverage   86.95%   86.95%           
=======================================
  Files         132      132           
  Lines        6271     6271           
=======================================
  Hits         5453     5453           
  Misses        818      818           

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