[CHORE] turn on cov again

[samster25]

• It seems like downgrading to ubuntu 20.04 seems to fix the segfault we were seeing with the collection!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.17%. Comparing base (dc2dbe5) to head (82c0f6b).

❗ Current head 82c0f6b differs from pull request most recent head 40d2e11. Consider uploading reports for the commit 40d2e11 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2259      +/-   ##
==========================================
- Coverage   85.73%   79.17%   -6.56%     
==========================================
  Files          71      459     +388     
  Lines        7702    53203   +45501     
==========================================
+ Hits         6603    42122   +35519     
- Misses       1099    11081    +9982     

see 388 files with indirect coverage changes