tests

Merge with pypa/distutils@c97a3db2f #5956

Job	Run time
test_cygwin (39, windows-latest)	13m 44s
test (3.9, ubuntu-latest)	4m 33s
collateral (diffcov)	5m 31s
test (3.9, windows-latest)	9m 10s
collateral (docs)	1m 46s
test (3.13, ubuntu-latest)	5m 15s
test (3.13, macos-latest)	4m 2s
test (3.13, windows-latest)	12m 11s
test (3.10, ubuntu-latest)	4m 22s
test (3.11, ubuntu-latest)	4m 15s
test (3.12, ubuntu-latest)	5m 20s
test (3.14, ubuntu-latest)	6m 46s
test (pypy3.10, ubuntu-latest, stdlib)	16m 24s
test (ubuntu-latest, 3.10, stdlib)	4m 18s
integration-test	0s
check	1s
release	0s
	1h 37m 38s

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