missing \n at the end of the file

clusters/threat-actor.json

@@ -1423,4 +1423,4 @@
   "description": "Known or estimated adversary groups targeting organizations and employees. Adversary groups are regularly confused with their initial operation or campaign.",
   "uuid": "7cdff317-a673-4474-84ec-4f1754947823",
   "version": 17
-}
+}