Move CI to new file system

[nefrathenrici]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.87%. Comparing base (aff39c5) to head (c7cbaa2).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #285   +/-   ##
=======================================
  Coverage   90.87%   90.87%           
=======================================
  Files          21       21           
  Lines        1063     1063           
=======================================
  Hits          966      966           
  Misses         97       97           

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