Start testing with python 3.14

[jenshnielsen]

Only issue noticed is that open telemetry triggers a warning

Also upgrade ruff and remove a few warnings that are no longer triggered

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 59.77%. Comparing base (3e2ce53) to head (99b70b2).
⚠️ Report is 18 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7612      +/-   ##
==========================================
+ Coverage   59.74%   59.77%   +0.02%     
==========================================
  Files         351      351              
  Lines       31651    31652       +1     
==========================================
+ Hits        18909    18919      +10     
+ Misses      12742    12733       -9     

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