chore(deps): update dependency @types/node to v11.13.20

Author: renovate-bot

package-lock.json

@@ -35,7 +35,7 @@
     "@types/dotenv": "6.1.1",
     "@types/express": "4.17.1",
     "@types/jest": "24.0.18",
-    "@types/node": "11.13.19",
+    "@types/node": "11.13.20",
     "@types/ramda": "0.26.21",
     "@types/source-map-support": "0.5.0",
     "@types/supertest": "2.0.8",