Bump ws from 7.4.1 to 7.4.6

Bumps [ws](https://github.com/websockets/ws) from 7.4.1 to 7.4.6.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@7.4.1...7.4.6)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -5,7 +5,7 @@
   "description": "Websocket Chat Example",
   "license": "MIT",
   "dependencies": {
-    "ws": "^7.4.1"
+    "ws": "^7.4.6"
   },
   "readmeFilename": "README.md"
 }