Bump engine.io from 6.5.5 to 6.6.1

Bumps [engine.io](https://github.com/socketio/socket.io) from 6.5.5 to 6.6.1.
- [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/commits/engine.io@6.6.1)

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

Signed-off-by: dependabot[bot] <support@github.com>