chore(package): update @types/node to version 10.11.1

Closes #129

Author: greenkeeper[bot]

package.json

@@ -45,7 +45,7 @@
     "@angular/language-service": "^6.1.0",
     "@types/jasmine": "~2.8.8",
     "@types/jasminewd2": "~2.0.3",
-    "@types/node": "~10.5.4",
+    "@types/node": "~10.11.1",
     "codecov": "^3.0.4",
     "codelyzer": "~4.4.2",
     "jasmine-core": "~3.1.0",