Upgrading kubernetes API

Change-Id: I279db986e2dab1ebcb5b48b4195363af395c8de3
diff --git a/voltha/templates/envoy_for_etcd.yaml b/voltha/templates/envoy_for_etcd.yaml
index 5966076..52107ce 100644
--- a/voltha/templates/envoy_for_etcd.yaml
+++ b/voltha/templates/envoy_for_etcd.yaml
@@ -27,13 +27,17 @@
   selector:
     app: voltha
 ---
-apiVersion: apps/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: voltha
   namespace: {{ .Values.global.namespace }}
 spec:
   replicas: {{ .Values.replicas.envoy_for_etcd }}
+  selector:
+    matchLabels:
+      name: voltha
+      release: {{ .Release.Name }}
   template:
     metadata:
       labels:
@@ -69,5 +73,3 @@
               name: mystery2-port
             - containerPort: 50555
               name: grpc-port
-
-