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 53.25%. Comparing base (726f55b) to head (7c0584f).
⚠️ Report is 12 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #139   +/-   ##
=======================================
  Coverage   53.25%   53.25%           
=======================================
  Files          15       15           
  Lines         338      338           
  Branches       67       67           
=======================================
  Hits          180      180           
  Misses        149      149           
  Partials        9        9           

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