tests

[CI] Constraint transient test dependency on `pyobjc` #6810

Job	Run time
test_cygwin (39, windows-latest)	1m 29s
Fail the job if files changed under _disutils/_vendor folders	12s
collateral (docs)	1m 40s
test (3.9, ubuntu-latest)	1m 42s
collateral (diffcov)	1m 41s
test (ubuntu-latest, 3.10, stdlib)	1m 38s
test (>=3.13.5, macos-latest)	1m 44s
test (>=3.13.5, ubuntu-latest)	1m 43s
test (>=3.13.5, windows-latest)	1m 31s
test (3.12, ubuntu-latest)	1m 41s
test (3.10, ubuntu-latest)	1m 43s
test (3.14, ubuntu-latest)	1m 41s
test (3.9, macos-latest)	1m 30s
test (3.9, windows-latest)	1m 31s
test (pypy3.10, ubuntu-latest, stdlib)	1m 42s
test (3.11, ubuntu-latest)	1m 42s
check	5s
integration-test	1s
release	1s
	24m 57s

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