tests

Fix broken docs build #6972

Job	Run time
test_cygwin (39, windows-latest)	14m 52s
collateral (diffcov)	3m 17s
collateral (docs)	2m 24s
Fail the job if files changed under _disutils/_vendor folders	9s
test (>=3.13.5, macos-latest)	4m 24s
test (>=3.13.5, windows-latest)	7m 49s
test (3.9, macos-latest)	5m 3s
test (3.11, ubuntu-latest)	3m 4s
test (>=3.13.5, ubuntu-latest)	3m 55s
test (3.12, ubuntu-latest)	3m 13s
test (3.9, windows-latest)	8m 24s
test (ubuntu-latest, 3.10, stdlib)	3m 21s
test (pypy3.10, ubuntu-latest, stdlib)	12m 22s
test (3.9, ubuntu-latest)	3m 50s
test (3.10, ubuntu-latest)	3m 45s
test (3.14, ubuntu-latest)	3m 51s
integration-test	0s
check	5s
release	0s
	1h 23m 48s

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