Update quobyte client API to v0.1.8

This update picks up https://github.com/quobyte/api/pull/19 which adds
the needed `SetTransport` option. With this update, we can add the IP
deny list into quobyte operations.

vendor/github.com/quobyte/api/README.md

@@ -24,6 +24,10 @@ func main() {
         RootUserID:        "root",
         RootGroupID:       "root",
         ConfigurationName: "BASE",
+        Labels: []quobyte_api.Label{
+            {Name: "label1", Value: "value1"},
+            {Name: "label2", Value: "value2"},
+        },
     }
 
     volumeUUID, err := client.CreateVolume(req)