MAINT: adding python 314 to CI and bump CI python versions

[bsipocz]

Borderline if we need a changelog for this and the AH refactor, I may reconsider adding one to the previous PR.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 72.39%. Comparing base (8457192) to head (e1aa370).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3525   +/-   ##
=======================================
  Coverage   72.39%   72.39%           
=======================================
  Files         219      219           
  Lines       20432    20432           
=======================================
  Hits        14792    14792           
  Misses       5640     5640           

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