Log Message:
xfce4-whiskermenu-plugin: update to 2.3.0:

2.3.0
=====
- Fix sidebar wider than iconless categories.
- Add buttons for individual logout commands. (bug #14639)
- Add option to stay visible when focus is lost. (bug #12240)
- Always allow positioning commands next to search.
- Improve preferences spacing. (bug #14683)
- Translation updates: Bulgarian, Catalan, Chinese (China),
  Chinese (Taiwan), Czech, Danish, Dutch, French, German, Greek,
  Lithuanian, Nepali, Polish, Portuguese, Portuguese (Brazil),
  Russian, Serbian, Slovak, Slovenian, Turkish, Welsh.

2.2.1
=====
- Fix category button staying active when dragged. (bug #14419)
- Fix regression of non-square panel image support. (bug #14506)
- Fix redundant hiding of menu.
- Fix sidebar buttons retaining incorrect width.
- Fix commands not following sidebar.
- Translation updates: English (United Kingdom), Georgian, Japanese,
  Serbian, Slovak, Slovenian, Spanish, Swedish.

2.2.0
=====
- Fix panel icon size not following theme.
- Disable opacity option when non-composited.
- Rename option for including favorites in recent.
- Load applications in a thread. (bug #12903)
- Slide out search results.
- Require GTK+ version 3.22.
- Translation updates: Amharic, Belarusian, Bulgarian, Catalan,
  Chinese (China), Chinese (Taiwan), Croatian, Czech, Danish, Dutch,
  Esperanto, French, German, Lithuanian, Nepali, Polish, Portuguese,
  Portuguese (Brazil), Romanian, Russian, Slovak, Slovenian, Turkish.