* response from /send_join now use gomatrixserverlib.RespSendJoin
* Update Dendrite gomatrixserverlib version
* Fix spelling
Co-authored-by: Andrew Morgan <andrew@amorgan.xyz>
Co-authored-by: Cnly <minecnly@gmail.com>
Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>