chore: bump engine.io from 3.5.0 to 6.2.1 (#1930)

Bumps [engine.io](https://github.com/socketio/engine.io) from 3.5.0 to 6.2.1.
- [Release notes](https://github.com/socketio/engine.io/releases)
- [Changelog](https://github.com/socketio/engine.io/blob/main/CHANGELOG.md)
- [Commits](socketio/engine.io@3.5.0...6.2.1)

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

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Koy Zhuang <koy@ko8e24.top>

Author: dependabot[bot]