openstack: Migrate gnocchi to charmcraft-2.x#80

hemanthnakkina merged 1 commit intoopenstack-charmers:mainopenstack-charmers/charmed-openstack-info:mainfrom

freyes:charmcraft-2.x-gnocchifreyes/charmed-openstack-info:charmcraft-2.x-gnocchiCopy head branch name to clipboard