Fixing upgrade of ONOS version

Change-Id: I5f497435f54f6d9c884df74083b1a45cb475b4df
diff --git a/onos/values.yaml b/onos/values.yaml
index 360f4d6..601e46d 100644
--- a/onos/values.yaml
+++ b/onos/values.yaml
@@ -22,7 +22,7 @@
 
 image:
   repository: onosproject/onos
-  tag: 1.13.0
+  tag: 1.13.1
   pullPolicy: IfNotPresent
 
 nameOverride: ""