chore(package): update @types/node to version 11.11.8

Closes #10

Author: greenkeeper[bot]

package.json

@@ -49,7 +49,7 @@
     "@compodoc/compodoc": "^1.1.2",
     "@ionic/app-scripts": "3.1.9",
     "@types/jasmine": "^2.8.7",
-    "@types/node": "^10.0.7",
+    "@types/node": "^11.11.8",
     "angular2-template-loader": "^0.6.2",
     "connect": "^3.6.6",
     "html-loader": "^0.5.5",