chore(package): update @types/node to version 13.5.1

Closes #6

Author: greenkeeper[bot]

package.json

@@ -22,7 +22,7 @@
   "devDependencies": {
     "@types/glob": "^7.1.1",
     "@types/jest": "^24.0.23",
-    "@types/node": "^12.12.14",
+    "@types/node": "^13.5.1",
     "glob": "^7.1.6",
     "husky": "^3.1.0",
     "jest": "^24.9.0",