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

📅 Schedule: Branch creation - "after 4pm every weekday" in timezone Europe/Paris, Automerge - At any time (no schedule defined).

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (66d0b61) 65.20% compared to head (a7762bf) 65.20%.
Report is 3 commits behind head on chore/renovateBaseBranch.

Additional details and impacted files

@@                    Coverage Diff                    @@
##           chore/renovateBaseBranch     #397   +/-   ##
=========================================================
  Coverage                     65.20%   65.20%           
=========================================================
  Files                           267      267           
  Lines                         20002    20002           
  Branches                       1463     1463           
=========================================================
  Hits                          13043    13043           
  Misses                         6947     6947           
  Partials                         12       12           

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