Type-check on all Python versions #4960

Job	Run time
collateral (diffcov)	5m 21s
test (3.8, ubuntu-latest)	3m 53s
collateral (docs)	1m 55s
test (3.8, windows-latest)	5m 30s
test_cygwin (39, windows-latest)	7m 45s
test (3.12, ubuntu-latest)	5m 22s
test (3.12, macos-latest)	5m 35s
test (3.12, windows-latest)	5m 28s
test (3.9, ubuntu-latest)	4m 21s
test (3.10, ubuntu-latest)	3m 58s
test (3.11, ubuntu-latest)	3m 49s
test (pypy3.10, ubuntu-latest, stdlib)	5m 39s
test (ubuntu-latest, 3.10, stdlib)	3m 55s
test (3.8, macos-13)	5m 40s
integration-test	0s
check	1s
release	1s
	1h 8m 13s

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