chore(deps): 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 (13c1e7f) 53.44% compared to head (8bf79c1) 53.44%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #139   +/-   ##
=======================================
  Coverage   53.44%   53.44%           
=======================================
  Files           5        5           
  Lines         305      305           
=======================================
  Hits          163      163           
  Misses        138      138           
  Partials        4        4           

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