build(deps): bump socket.io-parser in /test/echo_server (#377)

Bumps [socket.io-parser](https://github.com/socketio/socket.io-parser) from 4.0.3 to 4.0.5.
- [Release notes](https://github.com/socketio/socket.io-parser/releases)
- [Changelog](https://github.com/socketio/socket.io-parser/blob/main/CHANGELOG.md)
- [Commits](socketio/socket.io-parser@4.0.3...4.0.5)

---
updated-dependencies:
- dependency-name: socket.io-parser
  dependency-type: indirect
...

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

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

Author: dependabot[bot]