[slapos_cloud] Fixup after 85c7fb26

the related keys were correctly commited in master/bt5/slapos_cloud/CatalogRelatedKeyTemplateItem/related_key_list.xml but not in master/bt5/slapos_cloud/bt/template_catalog_related_key_list

master/bt5/slapos_cloud/bt/template_catalog_related_key_list

 causality_subscription_request_related_uid | category,catalog/uid/z_related_causality_subscription_request
+default_or_child_aggregate_reference | catalog,category,catalog/reference/z_related_default_or_child_aggregate
+default_or_child_aggregate_uid | catalog,category,catalog/uid/z_related_default_or_child_aggregate
 related_predecessor_but_with_different_title_than_catalog_title | category,catalog/uid/z_related_predecessor_but_with_different_title_than_catalog_title
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