chore(package): update @types/node to version 10.11.2

Closes #36

Author: greenkeeper[bot]

package.json

@@ -36,7 +36,7 @@
   },
   "devDependencies": {
     "@types/jest": "^21.1.2",
-    "@types/node": "^8.0.37",
+    "@types/node": "^10.11.2",
     "commitizen": "^2.9.6",
     "cz-conventional-changelog": "^2.0.0",
     "danger": "^2.0.0-alpha.19",