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

• Check out other refs/* by commit if provided, fall back to ref by @​orhantoy in https://github.com/actions/checkout/pull/1924

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]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (f257774) 92.50% compared to head (8ea8fb1) 92.50%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #597   +/-   ##
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  Coverage   92.50%   92.50%           
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  Files           4        4           
  Lines          80       80           
  Branches       23       23           
=======================================
  Hits           74       74           
  Misses          5        5           
  Partials        1        1