Update graphql to the latest version 🚀 (#1290)

* fix(package): update graphql to version 14.5.6

* chore(package): update lockfile package-lock.json

Author: greenkeeper[bot]

package-lock.json

@@ -45,7 +45,7 @@
     "create-react-class": "15.6.3",
     "csurf": "1.10.0",
     "express": "4.17.1",
-    "graphql": "14.5.5",
+    "graphql": "14.5.6",
     "graphql-playground-react": "1.7.20",
     "history": "4.10.1",
     "immutable": "4.0.0-rc.9",