Lint

Support Python 3.14 #7755

Job	Run time
build (3.14, windows-latest, pre-push)	21m 49s
build (3.14, windows-latest, pre-commit)	2m 9s
build (3.14, ubuntu-latest, pre-push)	14m 22s
build (3.14, windows-latest, manual)	2m 7s
build (3.14, ubuntu-latest, manual)	49s
build (3.14, ubuntu-latest, pre-commit)	56s
completion-lint	2s
	42m 14s

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