fix(typings): properly type emits with timeout (2)

This follows [1], in order to keep the label of each argument.

[1]: https://github.com/socketio/socket.io-client/commit/33e417258c9a5697e001163971ae87821e9c097f

Related:

- https://github.com/socketio/socket.io-client/pull/1570#issuecomment-1384075633
- https://github.com/microsoft/TypeScript/issues/39941
- https://github.com/microsoft/TypeScript/issues/48049