Test with Python 3.13

[edgarrmondragon]

PR Checklist

• A description of the changes is added to the description of this PR.
• If there is a related issue, make sure it is linked to this PR.
• If you've fixed a bug or added code that should be tested, add tests!
• If you've added or modified a feature, documentation in docs is updated

Description of changes

Start testing on Python 3.13 beta releases.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.0%. Comparing base (2b8deaf) to head (bd246aa).

Additional details and impacted files

@@          Coverage Diff          @@
##            main    #713   +/-   ##
=====================================
  Coverage   93.0%   93.0%           
=====================================
  Files         37      37           
  Lines        961     961           
  Branches     173     173           
=====================================
  Hits         894     894           
  Misses        51      51           
  Partials      16      16           

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[mkniewallner]

Functional tests depending on Poetry were failing because of cffi dependency, but with https://github.com/python-cffi/cffi/releases/tag/v1.17.0 released, it's now fixed, so gonna merge the PR. Thanks for the contribution!