validate

completion: fix / add completion for service names and node-names #6137

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Job	Run time
validate (lint)	1m 34s
validate-make (yamldocs)	1m 13s
validate (shellcheck)	19s
validate-make (manpages)	1m 16s
validate (validate-vendor)	32s
validate-md	1m 9s
validate (update-authors)	20s
	6m 23s