update transforms to be unattended

Author: joeypoon

package/endpoint/elasticsearch/transform/metadata_current/default.json

@@ -28,5 +28,8 @@
             "field": "event.ingested",
             "delay": "1s"
         }
+    },
+    "settings": {
+        "unattended": true
     }
-}
+}

package/endpoint/elasticsearch/transform/metadata_united/default.json

@@ -37,5 +37,8 @@
     "description": "Merges latest Endpoint and Agent metadata documents",
     "_meta": {
         "managed": true
+    },
+    "settings": {
+        "unattended": true
     }
-}
+}