Test against python 3.14

[jcristau]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 76.25%. Comparing base (f0a2d29) to head (f187e0f).
⚠️ Report is 3 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1468   +/-   ##
=======================================
  Coverage   76.25%   76.25%           
=======================================
  Files          17       17           
  Lines        1777     1777           
  Branches      122      122           
=======================================
  Hits         1355     1355           
  Misses        360      360           
  Partials       62       62           

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