Using newest voltha-onos 4.1.3 with olt and igmp fixes

Change-Id: I988b2fe652af63c37d116e41aaf442c4f0895858
diff --git a/VERSION b/VERSION
index 3b851fb..cdb98d2 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-5.1.3-dev
+5.1.3
diff --git a/releases/voltha-2.4 b/releases/voltha-2.4
index 4abddaf..4cccaa6 100644
--- a/releases/voltha-2.4
+++ b/releases/voltha-2.4
@@ -16,4 +16,4 @@
 # kind-voltha's default which is 'master'.
 # Also we need to specify the tag for voltha/voltha-onos image since this is
 # not in the ONOS chart.
-export EXTRA_HELM_FLAGS="--set defaults.image_tag=null,images.onos.tag=4.1.1 "
+export EXTRA_HELM_FLAGS="--set defaults.image_tag=null,images.onos.tag=4.1.3 "