Update actions/checkout action to v6

[ezzatron-renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v5 -> v6

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Release Notes

actions/checkout (actions/checkout)

v6

Compare Source

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Configuration

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This PR has been generated by Renovate Bot.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (19aec66) to head (26420aa).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##              main       #10    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files            9         9            
  Lines          318       198   -120     
==========================================
- Hits           318       198   -120     

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