chore(ci): add multiple segmented test schemes

[philprime]

Splits unit tests into multiple schemes to run more isolated tests.

I added the jobs in addition to existing tests, so we can compare the stability

#skip-changelog

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.399%. Comparing base (bdd896e) to head (25d2e14).

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #4807       +/-   ##
=============================================
- Coverage   91.406%   91.399%   -0.007%     
=============================================
  Files          627       627               
  Lines        74546     74546               
  Branches     26799     26799               
=============================================
- Hits         68140     68135        -5     
- Misses        6310      6313        +3     
- Partials        96        98        +2     

see 12 files with indirect coverage changes

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