[VOL-4357] Using 5.0.3 voltha-onos based on updated 2.5.4 ONOS to fix HA test.

Change-Id: I607af76b520fdee376991c970940b017bc0cf990
diff --git a/voltha-infra/values.yaml b/voltha-infra/values.yaml
index 7acd724..e476bcd 100644
--- a/voltha-infra/values.yaml
+++ b/voltha-infra/values.yaml
@@ -28,7 +28,7 @@
   image:
     pullPolicy: Always
     repository: voltha/voltha-onos
-    tag: 5.0.2
+    tag: 5.0.3
   apps:
     - org.onosproject.lldpprovider
     - org.onosproject.openflow-base