Support Python 3.13 with wxPython 3.13 support on Conda-forge

[bobleesj]

Closes #138 - support py313 when wxpython supports py313

This issue was created 5 days ago... great timing.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.31%. Comparing base (5f0c1b4) to head (8c2b121).
Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #139   +/-   ##
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  Coverage   99.31%   99.31%           
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  Files           6        6           
  Lines         293      293           
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  Hits          291      291           
  Misses          2        2           

[bobleesj]

@sbillinge ready for review, tagging @yucongalicechen that our package now supports 3.13

[sbillinge]

Yeh! ,,🎉

@yucongalicechen please check for and fix warnings that appear in the 3.13 tests

[yucongalicechen]

🥳 Will fix the warnings!