Tests

Shut down workers if master goes missing for too long #2271

Job	Run time
lint_typecheck_webui	1m 4s
flake8	17s
Always - Docker verify, push to tag 'master' if on master	0s
black	13s
mypy	18s
fail_fast_test_main	2m 35s
3.12	7m 4s
3.11	6m 56s
3.10	7m 14s
3.9	7m 11s
3.8	7m 3s
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
PyPI - Publish if this is a tagged commit	0s
	39m 55s

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