ci(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

📅 Schedule: Branch creation - "on Saturday every 4 weeks of the year starting on the 2th week" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

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[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (ca8a84e) 97.55% compared to head (08cf602) 97.55%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #136   +/-   ##
=======================================
  Coverage   97.55%   97.55%           
=======================================
  Files           5        5           
  Lines         245      245           
=======================================
  Hits          239      239           
  Misses          6        6           

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