Add pixi

[ppinchuk]

Add pixi params to pyproject toml

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.84%. Comparing base (1ac0a89) to head (2273c1e).
Report is 11 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #65   +/-   ##
=======================================
  Coverage   97.84%   97.84%           
=======================================
  Files          29       29           
  Lines        2919     2919           
  Branches      395      395           
=======================================
  Hits         2856     2856           
  Misses         39       39           
  Partials       24       24           

Flag	Coverage Δ
unittests	97.84% <ø> (ø)

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