chore: support Python 3.14

[khneal]

Python 3.13 support.

Follows #245.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.63%. Comparing base (5571d8c) to head (fa65036).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #254   +/-   ##
=======================================
  Coverage   93.63%   93.63%           
=======================================
  Files          65       65           
  Lines        2907     2907           
  Branches      152      152           
=======================================
  Hits         2722     2722           
  Misses        135      135           
  Partials       50       50           

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[khneal]

Note that the Python 3.14 build is a bit slow, as it takes ~20 minutes... but it works.
The build time will improve as dependencies release wheels to support 3.14, and then this project can update.

[vigith]

@khneal could you please rebase against the main?

[khneal]

@vigith - commit has been rebased.