aether-roc-umbrella: releasing 1.3.13 for GUI v0.7.28 AETHER-2528

Change-Id: I9deb1fdfbbe8674aebd77817eeb1c7796eae879d
diff --git a/aether-roc-gui/values.yaml b/aether-roc-gui/values.yaml
index 4465786..4ed612e 100644
--- a/aether-roc-gui/values.yaml
+++ b/aether-roc-gui/values.yaml
@@ -10,7 +10,7 @@
 
 image:
   repository: onosproject/aether-roc-gui
-  tag: v0.7.26
+  tag: v0.7.28
   pullPolicy: IfNotPresent
   pullSecrets: []