Fix Codecov CI

[fepegar]

• Write XML coverage file
• Use Github action to upload coverage

[codecov[bot]]

Codecov Report

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

Project coverage is 84.74%. Comparing base (eeeef74) to head (7e6a6e2). Report is 94 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1200 +/- ## ========================================== - Coverage 87.30% 84.74% -2.57% ========================================== Files 91 92 +1 Lines 5806 5926 +120 ========================================== - Hits 5069 5022 -47 - Misses 737 904 +167 ```

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