Log Message:
xfce4-garcon: update to 4.18.1

Change log:

4.18.1 (2023-03-28)
======
- garcon-gtk: Add missing lock when filling the GtkMenu
- Wait for any async operation to finish before releasing locks
- Use GIcons for menu icons instead of loading surfaces
- Revert "garcon-gtk: Fix menu icon blurriness when UI scale factor !=
1"
- Revert "Load icons using icon theme scaling functions correctly"
- garcon-gtk: Properly update GtkMenu is_populated state
- Load icons using icon theme scaling functions correctly
- Translation Updates:
  Albanian, Amharic, Arabic, Armenian, Armenian (Armenia), Asturian,
  Basque, Belarusian, Bengali, Bulgarian, Catalan, Chinese (China),
  Chinese (Hong Kong), Chinese (Taiwan), Croatian, Czech, Danish,
  Dutch, Eastern Armenian, English (Australia), English (United
  Kingdom), Esperanto, Estonian, Finnish, French, Galician, Georgian,
  German, Greek, Hebrew, Hindi, Hungarian, Icelandic, Indonesian,
  Interlingue, Italian, Japanese, Kabyle, Kazakh, Korean, Lithuanian,
  Malay, Norwegian Bokmål, Norwegian Nynorsk, Occitan (post 1500),
  Polish, Portuguese, Portuguese (Brazil), Romanian, Russian, Serbian,
  Slovak, Slovenian, Spanish, Swedish, Telugu, Thai, Turkish,
  Ukrainian, Uyghur, Uzbek, Uzbek (Latin), Welsh