Add Python 3.12 to supported versions and test against on GitHub Actions; upgrade versioneer#1330

Merged

yarikoptic merged 8 commits intomasterfrom enh-py3.12

Nov 24, 2023

+1,056-458

Commits on Nov 19, 2023

BF: ignore DeprecationWarning within dateutil which triggers while considering the next listed warning
yarikoptic
committed

Commits on Nov 20, 2023