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 (1b63371) 84.99% compared to head (c6d3edd) 84.99%.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #2801   +/-   ##
=========================================
  Coverage     84.99%   84.99%           
  Complexity     2727     2727           
=========================================
  Files           331      331           
  Lines          9542     9542           
  Branches        915      915           
=========================================
  Hits           8110     8110           
  Misses         1108     1108           
  Partials        324      324           

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