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]

Codecov Report

Patch and project coverage have no change.

Comparison is base (31d1662) 38.49% compared to head (1b96502) 38.49%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #209   +/-   ##
=======================================
  Coverage   38.49%   38.49%           
=======================================
  Files           8        8           
  Lines        1626     1626           
=======================================
  Hits          626      626           
  Misses        964      964           
  Partials       36       36           

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