chore(package): update @types/node to version 13.1.0 (#637)

package.json

@@ -58,7 +58,7 @@
   "devDependencies": {
     "@types/chai": "^4.0.3",
     "@types/mocha": "^5.2.6",
-    "@types/node": "^12.7.2",
+    "@types/node": "^13.1.0",
     "chai": "^4.1.0",
     "clean-webpack-plugin": "^1.0.1",
     "cross-env": "^6.0.2",