chore: remove codecov deprecated dep and use in action

[robertsLando]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.18%. Comparing base (938d41e) to head (cd5bb0f).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1943   +/-   ##
=======================================
  Coverage   81.18%   81.18%           
=======================================
  Files          24       24           
  Lines        1467     1467           
  Branches      348      348           
=======================================
  Hits         1191     1191           
  Misses        192      192           
  Partials       84       84           

Flag	Coverage Δ
unittests	81.18% <ø> (?)

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