Add Py312 wheel building + testing

[anilbey]

Pull Request Template

Description

Adds CPython3.12 wheel built deployment and testing.
Update actions/setup-python from v2 to v4.

Checklist:

• Unit tests are added to cover the changes.
• The changes are mentioned in the documentation.
• CHANGELOG.md is updated (skip if the change is not important for the changelog).

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (8185fd8) 56.47% compared to head (0833b8d) 56.49%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #345      +/-   ##
==========================================
+ Coverage   56.47%   56.49%   +0.01%     
==========================================
  Files          30       30              
  Lines        7727     7727              
  Branches     3274     3274              
==========================================
+ Hits         4364     4365       +1     
  Misses        843      843              
+ Partials     2520     2519       -1     

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[AurelienJaquier]

Looks good!
Just curious, why did you have to add setuptools to tox coverage?

[anilbey]

Just curious, why did you have to add setuptools to tox coverage?

In Python3.12 setuptools is no longer installed by default for the environments created with venv.

https://docs.python.org/dev/whatsnew/3.12.html#ensurepip