Upgrading kubernetes API

Change-Id: I279db986e2dab1ebcb5b48b4195363af395c8de3
diff --git a/ponsimv2/templates/onu.yaml b/ponsimv2/templates/onu.yaml
index 5bb865f..8e693d5 100644
--- a/ponsimv2/templates/onu.yaml
+++ b/ponsimv2/templates/onu.yaml
@@ -17,7 +17,7 @@
 {{- range $i, $junk := until (.Values.numOlts|int) }}
 {{- range $j, $junk1 := until ($onucount) }}
 ---
-apiVersion: apps/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: onu{{ $i }}-{{ $j }}