Update actions/checkout action to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v1 -> 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

v2

Compare Source

• Fix default branch resolution for .wiki and when using SSH

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Configuration

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.80%. Comparing base (e6aee45) to head (c3bff74).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master       #3   +/-   ##
=======================================
  Coverage   88.80%   88.80%           
=======================================
  Files           5        5           
  Lines         134      134           
=======================================
  Hits          119      119           
  Misses         15       15           

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