Update and clean up dependencies

Author: cschroeter

sample/12-graphql-apollo/package.json

@@ -11,21 +11,18 @@
   "dependencies": {
     "@nestjs/common": "^5.3.0",
     "@nestjs/core": "^5.3.0",
-    "@nestjs/graphql": "^5.0.0",
-    "apollo-server-express": "^2.0.4",
-    "graphql": "^0.13.2",
-    "graphql-subscriptions": "^0.5.6",
-    "graphql-tools": "^2.11.0",
-    "graphql-type-json": "^0.2.1",
-    "reflect-metadata": "^0.1.12",
-    "rxjs": "^6.0.0",
-    "subscriptions-transport-ws": "^0.9.5",
-    "typescript": "^2.8.0",
-    "ws": "^4.0.0"
+    "@nestjs/graphql": "^5.1.0",
+    "apollo-server-express": "2.0.4",
+    "graphql": "0.13.2",
+    "graphql-subscriptions": "0.5.8",
+    "graphql-type-json": "0.2.1",
+    "reflect-metadata": "0.1.12",
+    "rxjs": "6.3.1",
+    "typescript": "3.0.3"
   },
   "devDependencies": {
-    "@types/node": "^7.0.41",
-    "ts-node": "^6.0.0",
-    "tslint": "^5.9.1"
+    "@types/node": "10.9.4",
+    "ts-node": "7.0.1",
+    "tslint": "5.11.0"
   }
 }