Using latest gui, api and sd-core in roc-umbrella helm-charts

Change-Id: I2f163bedb112f3d7eaebe10452d9dd0481c34cdf
diff --git a/aether-roc-gui-v2/values.yaml b/aether-roc-gui-v2/values.yaml
index 5a3d0dc..8c42114 100644
--- a/aether-roc-gui-v2/values.yaml
+++ b/aether-roc-gui-v2/values.yaml
@@ -10,7 +10,7 @@
 
 image:
   repository: onosproject/aether-roc-gui
-  tag: v0.9.14
+  tag: v0.9.15
   pullPolicy: IfNotPresent
   pullSecrets: []