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

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v2 -> v4

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Release Notes

actions/checkout (actions/checkout)

v4

Compare Source

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

v3

Compare Source

• Fix: Mark test scripts with Bash'isms to be run via Bash
• Add option to fetch tags even if fetch-depth > 0

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Configuration

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (2be67e5) 99.42% compared to head (87fd248) 99.42%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #533   +/-   ##
=======================================
  Coverage   99.42%   99.42%           
=======================================
  Files          36       36           
  Lines        2257     2257           
  Branches      192      192           
=======================================
  Hits         2244     2244           
  Misses         11       11           
  Partials        2        2           

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