grafana: fix state after grafana-oss

grafana/grafana.sls

@@ -117,7 +117,7 @@ grafana-net-proxy:
       image_tag: "{{ image_tag }}"
       grafana_prefix_v6: {{ docker.ipv6.grafana }}
     - require:
-      - docker_image: docker-image-grafana/grafana:{{ image_tag }}
+      - docker_image: docker-image-grafana/grafana-oss:{{ image_tag }}
       - docker_image: docker-image-grafana-renderer/grafana/grafana-image-renderer:latest
       - file: docker-volume-grafana-data
       - file: docker-volume-grafana-provisioning