Update ws dependency (#23520)

Summary:
Our `ws` dependency is super outdated, and is [insecure](https://www.npmjs.com/advisories/550). It is used for the websocket example code in RNTester. This PR updates the dependency, and removes undefined console.logs.

[General] [Security] - Updates ws dependency to 6.4.1
Pull Request resolved: https://github.com/facebook/react-native/pull/23520

Differential Revision: D14147596

Pulled By: cpojer

fbshipit-source-id: a03041f613a84bf019d8d0a8c5028d6657b5d89a

IntegrationTests/websocket_integration_test_server.js

@@ -34,7 +34,6 @@ server.on('connection', ws => {
       console.log('WebSocket integration test server exit');
       process.exit(0);
     }
-    console.log('Cookie:', ws.upgradeReq.headers.cookie);
     ws.send(message + '_response');
   });
 

RNTester/js/websocket_test_server.js

@@ -33,7 +33,6 @@ const server = new WebSocket.Server({port: 5555});
 server.on('connection', ws => {
   ws.on('message', message => {
     console.log('Received message:', message);
-    console.log('Cookie:', ws.upgradeReq.headers.cookie);
     if (respondWithBinary) {
       message = Buffer.from(message);
     }

package.json

@@ -182,7 +182,6 @@
     "react-devtools-core": "^3.6.0",
     "regenerator-runtime": "^0.11.0",
     "stacktrace-parser": "^0.1.3",
-    "ws": "^1.1.5",
     "yargs": "^9.0.0"
   },
   "devDependencies": {
@@ -212,7 +211,8 @@
     "react": "16.8.1",
     "react-native-dummy": "0.2.0",
     "react-test-renderer": "16.8.1",
-    "shelljs": "^0.7.8"
+    "shelljs": "^0.7.8",
+    "ws": "^6.1.4"
   },
   "detox": {
     "test-runner": "jest",

yarn.lock

@@ -6916,6 +6916,13 @@ ws@^5.2.0:
   dependencies:
     async-limiter "~1.0.0"
 
+ws@^6.1.4:
+  version "6.1.4"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-6.1.4.tgz#5b5c8800afab925e94ccb29d153c8d02c1776ef9"
+  integrity sha512-eqZfL+NE/YQc1/ZynhojeV8q+H050oR8AZ2uIev7RU10svA9ZnJUddHcOUZTJLinZ9yEfdA2kSATS2qZK5fhJA==
+  dependencies:
+    async-limiter "~1.0.0"
+
 xcode@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/xcode/-/xcode-1.0.0.tgz#e1f5b1443245ded38c180796df1a10fdeda084ec"