py-nbxmpp: update to 2.04, gajim: update to 1.3.3

                                  Gajim 1.3.3

  This release features improved Ad-Hoc Commands and brings back spell
  checking. Gajim 1.3.3 includes many bug fixes and improvements. Thanks
  everyone for reporting issues!

What窶冱 New

  The Ad-Hoc Commands window has been ported to Gajim窶冱 new Assistant. This
  unifies the look and feel with other actions using an Assistant and it
  also fixes some issues.

More Changes

  New

    * Profile: A NOTE entry has been added

  Changes

    * API JID for search.jabber.network integration has been updated
    * Provider list: blabber.im has been removed (service is gone)

  Fixes

    * Reload CSS after switching dark/light theme
    * Migration routine for portable installer
    * Fixed starting History Manager in standalone mode

(nia)