chore(deps): update codecov/codecov-action action to v6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
codecov/codecov-action	action	major	v5 → v6

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Release Notes

codecov/codecov-action (codecov/codecov-action)

v6

Compare Source

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Configuration

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.08%. Comparing base (9c17d56) to head (2496e73).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #76   +/-   ##
=======================================
  Coverage   98.08%   98.08%           
=======================================
  Files          21       21           
  Lines         680      680           
=======================================
  Hits          667      667           
  Misses         13       13           

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