chore(deps): update actions/checkout action to v4

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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• [ ] If you want to rebase/retry this PR, check this box

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Codecov Report

Merging #135 (41fb152) into master (7676848) will decrease coverage by 0.02%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #135      +/-   ##
==========================================
- Coverage   85.95%   85.93%   -0.02%     
==========================================
  Files          11       11              
  Lines        4457     4458       +1     
==========================================
  Hits         3831     3831              
- Misses        626      627       +1     

see 3 files with indirect coverage changes

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