n oc-mirror v2, the targetCatalogSourceTemplate example template for CatalogSource requires update

In oc-mirror v2, the targetCatalogSourceTemplate example template for CatalogSource requires update the API version and proper indentation .

Current:
~~~
apiVersion: operators.coreos.com/v2alpha1
kind: CatalogSource
metadata:
  name: discarded
  namespace: openshift-marketplace
spec:
  image: discarded
  sourceType: grpc
  updateStrategy:
registryPoll:
interval: 30m0s
~~~

Expected:

~~~
apiVersion: operators.coreos.com/v1alpha1
kind: CatalogSource
metadata:
  name: discarded
  namespace: openshift-marketplace
spec:
  image: discarded
  sourceType: grpc
  updateStrategy:
       registryPoll:
           interval: 30m0s
~~~

Author: bshaw7

modules/oc-mirror-imageset-config-parameters-v2.adoc

@@ -164,7 +164,7 @@ Example: `/tmp/catalog-source_template.yaml`
 Example of a template file: 
 [source,yaml]
 ----
-apiVersion: operators.coreos.com/v2alpha1
+apiVersion: operators.coreos.com/v1alpha1
 kind: CatalogSource
 metadata:
   name: discarded
@@ -173,8 +173,8 @@ spec:
   image: discarded
   sourceType: grpc
   updateStrategy:
-registryPoll:
-interval: 30m0s
+    registryPoll:
+      interval: 30m0s
 ----
 
 |`mirror.operators.targetTag`
@@ -447,4 +447,4 @@ The default is `ocp`
 |Boolean
 The default value is `false`
 
-|===
+|===