Update pixi conda-build task

[glass-ships]

pixi build is deprecated and to be replaced with pixi publish, updates conda-build pixi task and workflow accordingly

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 2.29%. Comparing base (7e9e123) to head (e120340).

Additional details and impacted files

@@          Coverage Diff          @@
##            main    #179   +/-   ##
=====================================
  Coverage   2.29%   2.29%           
=====================================
  Files          4       4           
  Lines        131     131           
=====================================
  Hits           3       3           
  Misses       128     128           

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