chore(deps): update dependency @types/node to v11.15.53

Author: renovate-bot

mock/package-lock.json

@@ -40,7 +40,7 @@
     "@types/js-yaml": "3.12.5",
     "@types/json-schema": "7.0.6",
     "@types/morgan": "1.9.2",
-    "@types/node": "11.15.5",
+    "@types/node": "11.15.53",
     "@types/swagger-parser": "4.0.3",
     "@types/wait-on": "5.2.0",
     "@types/which": "2.0.0",