Merge pull request nestjs#2191 from nestjs/renovate/nestjs-graphql-6.x

fix(deps): update dependency @nestjs/graphql to v6.2.0

Author: kamilmysliwiec

integration/graphql/package-lock.json

@@ -11,7 +11,7 @@
   "dependencies": {
     "@nestjs/common": "6.2.0",
     "@nestjs/core": "6.2.0",
-    "@nestjs/graphql": "6.0.5",
+    "@nestjs/graphql": "6.2.0",
     "apollo-server-express": "2.5.0",
     "graphql": "14.3.0",
     "graphql-tools": "4.0.4",