Lint

Bump doccmd to 2026.3.1 #7506

Job	Run time
build (3.13, ubuntu-latest, pre-commit)	1m 1s
build (3.13, windows-latest, manual)	1m 54s
build (3.13, ubuntu-latest, pre-push)	3m 16s
build (3.13, ubuntu-latest, manual)	51s
build (3.13, windows-latest, pre-push)	5m 48s
build (3.13, windows-latest, pre-commit)	2m 59s
completion-lint	2s
	15m 51s

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