start testing with python 3.13

[alexgolec]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.56%. Comparing base (b18d8df) to head (5b18e13).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #159   +/-   ##
=======================================
  Coverage   98.56%   98.56%           
=======================================
  Files          18       18           
  Lines        2223     2223           
  Branches      230      230           
=======================================
  Hits         2191     2191           
  Misses         21       21           
  Partials       11       11           

Flag	Coverage Δ
unittests	98.56% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.