Fix local-volume-provisioner configmap template

Looks like the template is removing the trailing space between storage
class entries, and since CI only has one storage class we never hit this
issue. This change will prevent the yaml from printing on a single line
when multiple storage classes are defined.

roles/kubernetes-apps/external_provisioner/local_volume_provisioner/templates/local-volume-provisioner-cm.yml.j2

@@ -21,5 +21,5 @@ data:
     {{ class_name }}:
       {{- convert_keys(storage_class) }}
       {{ storage_class | to_nice_yaml(indent=2) | indent(6) }}
-{%- endfor %}
+{% endfor %}