chore(package): update graphql to version 0.9.1

https://greenkeeper.io/

Author: greenkeeper[bot]

package.json

@@ -30,7 +30,7 @@
     "preversion": ". ./resources/checkgit.sh && npm test"
   },
   "peerDependencies": {
-    "graphql": "^0.8.1"
+    "graphql": "^0.9.1"
   },
   "devDependencies": {
     "babel": "^6.5.2",