This command was declaring that it requires at least 1 argument, when it
needs exactly 1 argument. This was causing the CLI to panic when the
command was invoked with no argument:
`docker volume update`
Signed-off-by: Laura Brehm <laurabrehm@hey.com>
(cherry picked from commit daea277ee8)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>