net-im/ejabberd: Update to 23.04

• Updated description to say XMPP [0]
• Build in SQLite by default [0]
• Use reload_config for reload command as ejabberd natively supports hot-reloading configurations [0]

Pull Request: https://github.com/freebsd/freebsd-ports/pull/170 [0]

Co-authored-by: Jonathan Davies <jpds@protonmail.com>