ci: update codecov action to v4, set verbose to true

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 100.00%. Comparing base (ffbd55e) to head (a233157). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #44 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 9 9 Lines 310 310 ========================================= Hits 310 310 ```

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