libxfce4ui-4.19.1 protected

Gaël Bonithon

@Tamaranch

e1dc838c · Updates for release · Apr 20, 2023

4.19.1

- Add deprecation warning and hide append_seperator() in the doc
- Revert "Remove unused 'xfce_gtk_menu_append_seperator' (#49)"
- build: Do not clean tracked file libxfce4ui-2.xml
- Translation Updates:
  Chinese (China), Italian