chore(package): Update @types/node to the latest version 🚀 (#250)

* chore(package): update @types/node to version 8.0.15

* chore(package): update lockfile

https://npm.im/greenkeeper-lockfile

Author: greenkeeper[bot]

package.json

@@ -32,7 +32,7 @@
   },
   "devDependencies": {
     "@types/mocha": "^2.2.35",
-    "@types/node": "8.0.14",
+    "@types/node": "8.0.15",
     "babel": "^6.5.2",
     "babel-eslint": "^7.1.1",
     "babel-plugin-external-helpers": "^6.8.0",

yarn.lock

@@ -53,9 +53,9 @@
   version "2.2.41"
   resolved "https://registry.npmjs.org/@types/mocha/-/mocha-2.2.41.tgz#e27cf0817153eb9f2713b2d3f6c68f1e1c3ca608"
 
-"@types/node@8.0.14":
-  version "8.0.14"
-  resolved "https://registry.npmjs.org/@types/node/-/node-8.0.14.tgz#4a19dc6bb61d16c01cbadc7b30ac23518fff176b"
+"@types/node@8.0.15":
+  version "8.0.15"
+  resolved "https://registry.npmjs.org/@types/node/-/node-8.0.15.tgz#8f23f8a4642ced357704d048010876fc0c7f179a"
 
 StringScanner@~0.0.3:
   version "0.0.3"