fix(deps): update dependency ws to v7

Author: renovate-bot

integration/graphql/package-lock.json

@@ -19,7 +19,7 @@
     "rxjs": "6.4.0",
     "subscriptions-transport-ws": "0.9.16",
     "typescript": "3.4.5",
-    "ws": "6.2.1"
+    "ws": "7.0.0"
   },
   "devDependencies": {
     "@types/node": "7.10.5",

integration/graphql/package.json

@@ -22,7 +22,7 @@
     "subscriptions-transport-ws": "0.9.16",
     "type-graphql": "0.17.3",
     "typescript": "3.4.5",
-    "ws": "6.2.1"
+    "ws": "7.0.0"
   },
   "devDependencies": {
     "@types/node": "7.10.5",

integration/typegraphql/package-lock.json

@@ -12,7 +12,7 @@
     "access": "public"
   },
   "dependencies": {
-    "ws": "6.2.1"
+    "ws": "7.0.0"
   },
   "peerDependencies": {
     "@nestjs/common": "^6.0.0",

integration/typegraphql/package.json

@@ -20,7 +20,7 @@
     "reflect-metadata": "0.1.13",
     "rxjs": "6.4.0",
     "typescript": "3.4.5",
-    "ws": "6.2.1"
+    "ws": "7.0.0"
   },
   "devDependencies": {
     "@types/node": "10.14.6",