[ja] Update CronJob example yaml apiversion: batch/v1beta1 --> batch/v1

Author: Mengjiao Liu

content/ja/examples/application/job/cronjob.yaml

@@ -1,4 +1,4 @@
-apiVersion: batch/v1beta1
+apiVersion: batch/v1
 kind: CronJob
 metadata:
   name: hello