update helm to 2.3.0

Change-Id: Id16730dfe376616c53116c05452505ba523b3bf0
diff --git a/metadata/service/master/cluster.yml b/metadata/service/master/cluster.yml
index 6df097e..32f559b 100644
--- a/metadata/service/master/cluster.yml
+++ b/metadata/service/master/cluster.yml
@@ -45,7 +45,7 @@
           enabled: False
         helm:
           enabled: False
-          tiller_image: gcr.io/kubernetes-helm/tiller:v2.2.3
+          tiller_image: gcr.io/kubernetes-helm/tiller:v2.3.0
         netchecker:
           enabled: False
           interval: 60
diff --git a/metadata/service/master/single.yml b/metadata/service/master/single.yml
index e500b66..f6dacbe 100644
--- a/metadata/service/master/single.yml
+++ b/metadata/service/master/single.yml
@@ -41,7 +41,7 @@
           enabled: False
         helm:
           enabled: False
-          tiller_image: gcr.io/kubernetes-helm/tiller:v2.2.3.
+          tiller_image: gcr.io/kubernetes-helm/tiller:v2.3.0
       token:
         admin: ${_param:kubernetes_admin_token}
         kubelet: ${_param:kubernetes_kubelet_token}