Bump debug and socket.io in /socketIoDemo/server

Bumps [debug](https://github.com/debug-js/debug) to 2.6.9 and updates ancestor dependency [socket.io](https://github.com/socketio/socket.io). These dependencies need to be updated together.


Updates `debug` from 2.2.0 to 2.6.9
- [Release notes](https://github.com/debug-js/debug/releases)
- [Changelog](https://github.com/debug-js/debug/blob/2.6.9/CHANGELOG.md)
- [Commits](debug-js/debug@2.2.0...2.6.9)

Updates `socket.io` from 1.7.4 to 4.5.3
- [Release notes](https://github.com/socketio/socket.io/releases)
- [Changelog](https://github.com/socketio/socket.io/blob/main/CHANGELOG.md)
- [Commits](socketio/socket.io@1.7.4...4.5.3)

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

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

Author: dependabot[bot]