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

[renovate[bot]]

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`](https://togithub.com/actions/checkout/blob/HEAD/CHANGELOG.md#v400) [Compare Source](https://togithub.com/actions/checkout/compare/v3...v4) - [Support fetching without the --progress option](https://togithub.com/actions/checkout/pull/1067) - [Update to node20](https://togithub.com/actions/checkout/pull/1436)

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[codecov-commenter]

Codecov Report

Merging #84 (4f88c16) into master (1fa6746) will not change coverage. Report is 1 commits behind head on master. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #84   +/-   ##
=======================================
  Coverage   89.43%   89.43%           
=======================================
  Files          27       27           
  Lines        3340     3340           
=======================================
  Hits         2987     2987           
  Misses        353      353           

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