fix: graphql peer dep (#50)

fixes #49

Author: neolivz

package.json

@@ -43,7 +43,7 @@
     "validator": "^10.2.0"
   },
   "peerDependencies": {
-    "graphql": "^0.14.0 || ^15.0.0"
+    "graphql": "^14.0.0 || ^15.0.0"
   },
   "standard": {
     "globals": [