Update socket.io requirement from ~2.2.0 to ~2.3.0
Update socket.io requirement from ~2.2.0 to ~2.3.0

Updates the requirements on [socket.io](https://github.com/socketio/socket.io) to permit the latest version.
- [Release notes](https://github.com/socketio/socket.io/releases)
- [Commits](https://github.com/socketio/socket.io/compare/2.2.0...2.3.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
halkeye/http_bouncer_server,halkeye/http_bouncer_server