tests

Add news fragment. #5953

Job	Run time
collateral (diffcov)	5m 22s
collateral (docs)	1m 47s
test_cygwin (39, windows-latest)	14m 6s
test (3.9, ubuntu-latest)	4m 46s
test (3.9, windows-latest)	8m 16s
test (3.13, ubuntu-latest)	5m 6s
test (3.13, macos-latest)	3m 53s
test (3.13, windows-latest)	10m 51s
test (3.10, ubuntu-latest)	4m 20s
test (3.11, ubuntu-latest)	3m 56s
test (3.12, ubuntu-latest)	5m 53s
test (3.14, ubuntu-latest)	6m 49s
test (pypy3.10, ubuntu-latest, stdlib)	15m 39s
test (ubuntu-latest, 3.10, stdlib)	4m 29s
integration-test	0s
check	3s
release	0s
	1h 35m 16s

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