Add regiondata #541

Job	Run time
initial_checks / Load tox environments	8s
initial_checks / codestyle (ubuntu-latest)	21s
tests / Load tox environments	7s
tests / py38-test-lts-all (ubuntu-latest)	1m 46s
tests / py39-test (ubuntu-latest)	1m 43s
tests / py310-test-all (ubuntu-latest)	2m 10s
tests / py311-test (ubuntu-latest)	1m 37s
tests / py311-test-all (ubuntu-latest)	1m 41s
tests / py38-docs (ubuntu-latest)	4m 40s
tests / py311-docs (macos-latest)	9m 12s
tests / py38-test-all (macos-latest)	3m 21s
tests / py39-test (macos-latest)	4m 4s
tests / py310-test-all (macos-latest)	4m 5s
tests / py311-test (macos-latest)	3m 12s
tests / py38-test (windows-latest)	3m 45s
tests / py310-test (windows-latest)	6m 33s
tests / py310-test-dev-all (ubuntu-latest)	2m 23s
tests / py311-test-dev (ubuntu-latest)	2m 28s
publish / Build source and wheel distribution	3m 54s
	57m 10s

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