CI not cache in setup-pixi

[MatthewSZhang]

Checklist

• Used a personal fork to propose changes
• A reference to a related issue: CI pixi setup not generate build folder #166
• A description of the changes
  Do not cache the environment in setup-pixi to force pixi reinstall fastcan

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (30e3a17) to head (f5f2ace).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #167   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            9         9           
  Lines          597       597           
=========================================
  Hits           597       597           

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