Upgrading kubernetes API

Change-Id: I279db986e2dab1ebcb5b48b4195363af395c8de3
diff --git a/voltha/templates/alarm-generator.yaml b/voltha/templates/alarm-generator.yaml
index f5ef095..5f245f6 100644
--- a/voltha/templates/alarm-generator.yaml
+++ b/voltha/templates/alarm-generator.yaml
@@ -14,7 +14,7 @@
 # limitations under the License.
 
 {{- if .Values.alarm_generator_enable }}
-apiVersion: apps/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: alarm-generator