Fix apiversion in daemonset example

Signed-off-by: Luis Ramirez <luis.ramirez.rivera92@gmail.com>

Author: sibucan

container-deployment/kubernetes.md

@@ -70,7 +70,7 @@ From the `fluentd-kubernetes-daemonset/` directory, find the YAML configuration
 As an example, let's see a part of this file:
 
 ```text
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: DaemonSet
 metadata:
   name: fluentd