Lint

Bump vws-python to 2026.2.21 #7392

Job	Run time
build (3.13, ubuntu-latest, manual)	49s
build (3.13, ubuntu-latest, pre-push)	3m 1s
build (3.13, windows-latest, manual)	1m 37s
build (3.13, windows-latest, pre-push)	4m 51s
build (3.13, ubuntu-latest, pre-commit)	52s
build (3.13, windows-latest, pre-commit)	2m 2s
completion-lint	3s
	13m 15s

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