add code coverage CI to pipeline code

[natemcintosh]

To copy the code coverage CI on the model folder of the repo.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.40%. Comparing base (5dccc03) to head (4e10440).

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #71      +/-   ##
==========================================
+ Coverage   90.28%   90.40%   +0.12%     
==========================================
  Files          26       28       +2     
  Lines         535      542       +7     
==========================================
+ Hits          483      490       +7     
  Misses         52       52              

Flag	Coverage Δ
unittests	90.40% <ø> (+0.12%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[gvegayon]

Looks good! And codecov seems to be able to handle multiple uploads and combine them! Thanks @natemcintosh