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

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Release Notes

actions/checkout (actions/checkout)

v4

Compare Source

• Support fetching without the --progress option
• Update to node20

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[codecov]

Codecov Report

Merging #170 (7de6ed0) into main (0a57f5d) will not change coverage.
The diff coverage is n/a.

❗ Current head 7de6ed0 differs from pull request most recent head 90c668e. Consider uploading reports for the commit 90c668e to get more accurate results

@@           Coverage Diff           @@
##             main     #170   +/-   ##
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  Coverage   83.37%   83.37%           
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  Files          24       24           
  Lines        2424     2424           
  Branches      440      440           
=======================================
  Hits         2021     2021           
  Misses        284      284           
  Partials      119      119