lxd/storage/backend/lxd: handle StorageVolumeRenamed lifecycle event
lxd/storage/backend/lxd: handle StorageVolumeRenamed lifecycle event

Signed-off-by: Max Asnaashari <291db2cb5046c5ac435c5cc205a1b9bc80a27f4b@canonical.com>

lxc/lxd,atxwebs/lxd,atxwebs/lxd,hallyn/lxd,lxc/lxd,stgraber/lxd,hallyn/lxd,stgraber/lxd,lxc/lxd,stgraber/lxd,atxwebs/lxd,stgraber/lxd,hallyn/lxd,hallyn/lxd,hallyn/lxd,lxc/lxd,stgraber/lxd,atxwebs/lxd,lxc/lxd,hallyn/lxd,stgraber/lxd,lxc/lxd,stgraber/lxd,lxc/lxd