Tests

Test and explicitly support Python 3.12 #2051

Job	Run time
Always - Docker verify, push to tag 'master' if on master	0s
Always - Docker verify, push to tag 'master' if on master	0s
flake8	28s
flake8	28s
black	31s
black	31s
mypy	31s
mypy	31s
3.12	7m 30s
3.12	7m 21s
3.11	7m 8s
3.11	7m 8s
3.10	7m 14s
3.10	7m 14s
3.9	7m 17s
3.9	7m 17s
3.8	7m 2s
3.8	7m 8s
3.7	6m 57s
3.7	6m 57s
PyPI - Publish prerelease on merge commit on master	0s
PyPI - Publish prerelease on merge commit on master	0s
Tagged - Docker push to tag based on git tag. Also push 'latest' if on master	0s
Tagged - Docker push to tag based on git tag. Also push 'latest' if on master	0s
PyPI - Publish if this is a tagged commit	0s
PyPI - Publish if this is a tagged commit	0s
	1h 29m 13s

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