Test

doc: add ai use policy to contributing guide #6495

Job	Run time
doctests	53s
os=macos-latest, py=3.11, deps=optional	13m 0s
os=ubuntu-latest, py=3.11, deps=optional	17m 13s
py=3.13-upstream	20m 46s
os=windows-latest, py=3.11, deps=optional	22m 31s
py=3.11-min_deps	18m 44s
os=ubuntu-latest, py=3.12, deps=optional	16m 30s
os=ubuntu-latest, py=3.11, deps=minimal	16m 6s
os=ubuntu-latest, py=3.12, deps=minimal	15m 39s
os=macos-latest, py=3.13, deps=optional	13m 36s
os=windows-latest, py=3.13, deps=optional	22m 55s
os=ubuntu-latest, py=3.13, deps=minimal	16m 55s
os=ubuntu-latest, py=3.13, deps=optional	16m 45s
Test complete	4s
	3h 31m 37s

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