Consolidate YAML files [part-7] (#9262)

* Consolidate YAML files [part-7]

This PR relocates YAML files used by Job/CronJob examples.

* Update examples_test.go

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

@@ -0,0 +1,18 @@
+apiVersion: batch/v1beta1
+kind: CronJob
+metadata:
+  name: hello
+spec:
+  schedule: "*/1 * * * *"
+  jobTemplate:
+    spec:
+      template:
+        spec:
+          containers:
+          - name: hello
+            image: busybox
+            args:
+            - /bin/sh
+            - -c
+            - date; echo Hello from the Kubernetes cluster
+          restartPolicy: OnFailure