roc-umbrella: releasing 2.1.18 for API v0.10.9

Change-Id: Iebe3a23b8e8f27e04873805946cdeed1d0525190
diff --git a/aether-roc-umbrella/values.yaml b/aether-roc-umbrella/values.yaml
index b244eac..7cdd677 100644
--- a/aether-roc-umbrella/values.yaml
+++ b/aether-roc-umbrella/values.yaml
@@ -366,11 +366,11 @@
       enabled: false
   modelPlugins:
     - name: aether-2
-      image: onosproject/aether-2.0.x:2.0.3-aether-2.0.x
+      image: onosproject/aether-2.0.x:2.0.6-aether-2.0.x
       endpoint: localhost
       port: 5152
     - name: aether-2-1
-      image: onosproject/aether-2.1.x:2.1.3-aether-2.1.x
+      image: onosproject/aether-2.1.x:2.1.5-aether-2.1.x
       endpoint: localhost
       port: 5153