Upgrading kubernetes API

Change-Id: I279db986e2dab1ebcb5b48b4195363af395c8de3
diff --git a/voltha/templates/80-ingress.yaml b/voltha/templates/80-ingress.yaml
index 8f28775..d2b2957 100644
--- a/voltha/templates/80-ingress.yaml
+++ b/voltha/templates/80-ingress.yaml
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Ingress
 metadata:
   name: voltha-ingress