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 (2e3ef10) 100.00% compared to head (060bc47) 100.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #42   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            3         3           
  Lines          191       191           
  Branches        45        45           
=========================================
  Hits           191       191           

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