docs(cookbook/graphql): Update to latest graphql-js

Author: Urigo

public/docs/_examples/package.json

@@ -28,7 +28,7 @@
     "apollo-angular": "^0.10.0",
     "apollo-client": "^0.8.1",
     "core-js": "^2.4.1",
-    "graphql": "^0.9.0",
+    "graphql": "^0.9.1",
     "graphql-tag": "^1.2.3",
     "graphql-tools": "^0.9.2",
     "rxjs": "5.0.1",