Bump cookie and socket.io in /examples/client/javascript

Bumps [cookie](https://github.com/jshttp/cookie) to 0.7.1 and updates ancestor dependency [socket.io](https://github.com/socketio/socket.io). These dependencies need to be updated together.


Updates `cookie` from 0.4.2 to 0.7.1
- [Release notes](https://github.com/jshttp/cookie/releases)
- [Commits](jshttp/cookie@v0.4.2...v0.7.1)

Updates `socket.io` from 4.7.2 to 4.8.0
- [Release notes](https://github.com/socketio/socket.io/releases)
- [Changelog](https://github.com/socketio/socket.io/blob/main/CHANGELOG.md)
- [Commits](https://github.com/socketio/socket.io/compare/[email protected])

---
updated-dependencies:
- dependency-name: cookie
  dependency-type: indirect
- dependency-name: socket.io
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

examples/client/javascript/package.json

@@ -4,7 +4,7 @@
   "dependencies": {
     "express": "^4.21.1",
     "smoothie": "1.19.0",
-    "socket.io": "^4.6.1",
+    "socket.io": "^4.8.0",
     "socket.io-client": "^4.6.1"
   }
 }