[SDC] Make SDC compatible with Kubernetes v1.17

Issue-ID: OOM-2465
Signed-off-by: Katarzyna Wasiel <katarzyna.wasiel@nokia.com>
Change-Id: Iaddbc40c44c3ad7e306ec16926874ff41eaf5319
diff --git a/kubernetes/sdc/charts/sdc-wfd-be/templates/deployment.yaml b/kubernetes/sdc/charts/sdc-wfd-be/templates/deployment.yaml
index be2eeb6..135b1f8 100644
--- a/kubernetes/sdc/charts/sdc-wfd-be/templates/deployment.yaml
+++ b/kubernetes/sdc/charts/sdc-wfd-be/templates/deployment.yaml
@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: {{ include "common.fullname" . }}
@@ -24,6 +24,9 @@
     release: {{ include "common.release" . }}
     heritage: {{ .Release.Service }}
 spec:
+  selector:
+    matchLabels:
+      app: {{ include "common.name" . }}
   replicas: {{ .Values.replicaCount }}
   template:
     metadata: