Log Message:
xfce4-garcon: update to 4.18.2

4.18.2 (2024-02-05)
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- Update copyright year
- garcon-gtk: Remove weak ref on GarconMenu on finalize()
- Use target desktop files instead of symlinks (Fixes #1)
- garcon-gtk: Avoid populating a wrong menu
- garcon-gtk: Prevent use-after-free when loading garcon menu
- Add icon at 64px, clean up SVG metadata
- Translation Updates:
  Catalan, Czech, Danish, French, German, Italian, Kabyle, Portuguese
  (Brazil)