chore(deps): update dependency graphql-server-express to v0.9.0

Author: renovate-bot

package.json

@@ -47,7 +47,7 @@
     "eslint": "3.19.0",
     "eslint-plugin-babel": "3.3.0",
     "express": "4.16.4",
-    "graphql-server-express": "0.6.0",
+    "graphql-server-express": "0.9.0",
     "mocha": "3.5.3",
     "rimraf": "2.6.3",
     "sinon": "1.17.7",