Bump socket.io from 4.6.1 to 4.7.5 in /experimental/traffic-portal (#…

…8028)

Bumps [socket.io](https://github.com/socketio/socket.io) from 4.6.1 to 4.7.5.
- [Release notes](https://github.com/socketio/socket.io/releases)
- [Changelog](https://github.com/socketio/socket.io/blob/main/CHANGELOG.md)
- [Commits](socketio/socket.io@4.6.1...4.7.5)

---
updated-dependencies:
- dependency-name: socket.io
  dependency-type: indirect
...

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