nitpick: newlines between mock entity outputs

plugins/catalog-backend/scripts/mock-data

@@ -15,4 +15,5 @@ for URL in \
     --request POST 'localhost:7000/catalog/locations' \
     --header 'Content-Type: application/json' \
     --data-raw "{\"type\": \"github\", \"target\": \"https://github.com/spotify/backstage/blob/master/packages/catalog-model/examples/${URL}\"}"
+  echo
 done

plugins/scaffolder-backend/scripts/mock-data

@@ -9,4 +9,5 @@ for URL in \
     --request POST 'localhost:7000/catalog/locations' \
     --header 'Content-Type: application/json' \
     --data-raw "{\"type\": \"file\", \"target\": \"$(pwd)/sample-templates/${URL}/template.yaml\"}"
+  echo
 done