apps api is now stable, use it

cluster/addons/fluentd-elasticsearch/es-statefulset.yaml

@@ -47,7 +47,7 @@ roleRef:
   apiGroup: ""
 ---
 # Elasticsearch deployment itself
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: StatefulSet
 metadata:
   name: elasticsearch-logging

cluster/addons/fluentd-elasticsearch/fluentd-es-ds.yaml

@@ -45,7 +45,7 @@ roleRef:
   name: fluentd-es
   apiGroup: ""
 ---
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: DaemonSet
 metadata:
   name: fluentd-es-v2.0.3

cluster/addons/fluentd-elasticsearch/kibana-deployment.yaml

-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: kibana-logging