tests

Merge with pypa/distutils@c97a3db2f #5952

Job	Run time
test_cygwin (39, windows-latest)	15m 19s
collateral (diffcov)	5m 26s
test (3.9, ubuntu-latest)	4m 40s
collateral (docs)	1m 48s
test (3.9, windows-latest)	10m 46s
test (3.13, ubuntu-latest)	5m 9s
test (3.13, macos-latest)	3m 47s
test (3.13, windows-latest)	10m 26s
test (3.10, ubuntu-latest)	4m 22s
test (3.11, ubuntu-latest)	4m 0s
test (3.12, ubuntu-latest)	5m 36s
test (3.14, ubuntu-latest)	7m 0s
test (pypy3.10, ubuntu-latest, stdlib)	15m 29s
test (ubuntu-latest, 3.10, stdlib)	3m 57s
integration-test	0s
check	4s
release	0s
	1h 37m 49s

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