fedora-ostree-pruner - rename yml templates to .j2

Signed-off-by: Ryan Lerch <rlerch@redhat.com>

playbooks/openshift-apps/fedora-ostree-pruner.yml

@@ -25,22 +25,22 @@
 
   - role: openshift/object
     object_app: fedora-ostree-pruner
-    object_template: imagestream.yml
+    object_template: imagestream.yml.j2
     object_objectname: imagestream.yml
 
   - role: openshift/object
     object_app: fedora-ostree-pruner
-    object_template: buildconfig.yml
+    object_template: buildconfig.yml.j2
     object_objectname: buildconfig.yml
 
   - role: openshift/object
     object_app: fedora-ostree-pruner
-    object_template: deploymentconfig.yml
+    object_template: deploymentconfig.yml.j2
     object_objectname: deploymentconfig.yml
 
   - role: openshift/object
     object_app: fedora-ostree-pruner
-    object_template: pvc.yml
+    object_template: pvc.yml.j2
     object_objectname: pvc.yml
 
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