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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Configuration

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[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (e342da8) 73.35% compared to head (caeda4c) 73.35%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #118   +/-   ##
=======================================
  Coverage   73.35%   73.35%           
=======================================
  Files          16       16           
  Lines        2184     2184           
=======================================
  Hits         1602     1602           
  Misses        582      582           

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