Add Python 3.12 to supported versions.

[wRAR]

No description provided.

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (43ef533) 95.49% compared to head (7c48709) 95.49%.

❗ Current head 7c48709 differs from pull request most recent head 72ec7d6. Consider uploading reports for the commit 72ec7d6 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #142   +/-   ##
=======================================
  Coverage   95.49%   95.49%           
=======================================
  Files           3        3           
  Lines         910      910           
  Branches      161      161           
=======================================
  Hits          869      869           
  Misses         24       24           
  Partials       17       17           

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[wRAR]

I have no idea why cannot pylint import setuptools even though setuptools is getting installed.

[Gallaecio]

What about https://github.com/scrapy/cssselect/blob/master/.github/workflows/tests.yml ?