Add support for Python 3.12

[hugovk]

Thanks for contributing!

Before submitting your pull request please have a look at the
following checklist:

• ran the tests (pytest)
• all style issues addressed (flake8)
• your changes are covered by tests
• your changes are documented, if needed

In addition, please take care to provide a proper description
on what your change does, fixes or achieves when submitting the
pull request.

The second and final Python 3.12 release candidate is out! 🚀

Call to action

We strongly encourage maintainers of third-party Python projects to prepare their projects for 3.12 compatibilities during this phase, and where necessary publish Python 3.12 wheels on PyPI to be ready for the final release of 3.12.0.

See also https://dev.to/hugovk/help-test-python-312-beta-1508/

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (21f9fd5) 96.95% compared to head (ae32c50) 96.95%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #735   +/-   ##
=======================================
  Coverage   96.95%   96.95%           
=======================================
  Files          20       20           
  Lines        1545     1545           
=======================================
  Hits         1498     1498           
  Misses         47       47           

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[andialbrecht]

Thanks a lot!