Update instance

Options

--auto-restart-policy
neverbest_effort
The auto-restart policy for this instance. If not provided, unset the instance's auto-restart policy.
--boot-disk
Name or ID of the disk the instance should be instructed to boot from. If not provided, unset the instance's boot disk.
--instance
Name or ID of the instance
--json-body
Path to a file that contains the full json body.
--json-body-template
XXX
--profile
Configuration profile to use for commands
--project
Name or ID of the project