Bump socket.io from 4.1.3 to 4.2.0 (RobotWebTools#473)

Bumps [socket.io](https://github.com/socketio/socket.io) from 4.1.3 to 4.2.0.
- [Release notes](https://github.com/socketio/socket.io/releases)
- [Changelog](https://github.com/socketio/socket.io/blob/master/CHANGELOG.md)
- [Commits](socketio/socket.io@4.1.3...4.2.0)

---
updated-dependencies:
- dependency-name: socket.io
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>