Fix kafka-ui image in kafka-ui-connectors.yaml (#816)

docker/kafka-ui-connectors.yaml

@@ -4,7 +4,7 @@ services:
 
   kafka-ui:
     container_name: kafka-ui
-    image: kafka-ui:local
+    image: provectuslabs/kafka-ui:latest
     ports:
       - 8080:8080
     depends_on:
@@ -173,4 +173,4 @@ services:
       - kafka-connect0
     volumes:
       - ./connectors:/connectors
-    command: bash -c '/connectors/start.sh'
+    command: bash -c '/connectors/start.sh'