tests

Merge branch 'main' into future-annotations #131

Job	Run time
test_cygwin (39, windows-latest)	16m 39s
collateral (diffcov)	6m 22s
test (3.8, ubuntu-latest)	4m 17s
collateral (docs)	2m 1s
test (3.8, windows-latest)	10m 10s
collateral (check-extern)	16s
test (3.12, ubuntu-latest)	6m 14s
test (3.12, macos-latest)	5m 51s
test (3.12, windows-latest)	10m 32s
test (3.9, ubuntu-latest)	4m 35s
test (3.10, ubuntu-latest)	3m 55s
test (3.11, ubuntu-latest)	4m 22s
test (pypy3.10, ubuntu-latest, stdlib)	7m 19s
test (ubuntu-latest, 3.10, stdlib)	3m 57s
test (3.8, macos-13)	7m 26s
integration-test	0s
check	2s
release	0s
	1h 33m 58s

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