xfce4-dict: update to 0.8.5

Change log:

0.8.5 (2023-04-22)
=====
- build: Fix -Wunused-result warning
- Update `.gitignore`
- Update copyright year
- Use "logo-icon-name" instead of "logo" in about dialog
- Remove ENABLE_NLS ifdefs
- autoconf: Use AC_CONFIG_MACRO_DIRS
- build: Fix intltool lock file problem during make distcheck
- Update COPYING (Issue #7)
- Remove unnecessary code
- Use symbolic icons
- Escape markup in server information
- Replaces siginterrupt with sigaction
- Do not close window with ctrl+c (#5)
- Fix Text field size setting (#4)
- Fix compilation warnings
- autoconf: Some updates
- Remove "." at the end of Comment string
- Remove GSourceFunc casts
- Include stdlib.h to get atoi prototype (!2)
- Translation Updates:
  Albanian, Arabic, Armenian (Armenia), Basque, Belarusian, Bulgarian,
  Catalan, Chinese (China), Chinese (Taiwan), Croatian, Czech, Danish,
  Dutch, Eastern Armenian, English (Australia), English (United
  Kingdom), Estonian, Finnish, French, Galician, German, Greek, Hebrew,
  Hungarian, Icelandic, Indonesian, Italian, Japanese, Kazakh, Korean,
  Latvian, Lithuanian, Malay, Norwegian Bokm奪l, Occitan (post 1500),
  Persian (Iran), Polish, Portuguese, Portuguese (Brazil), Russian,
  Serbian, Slovak, Slovenian, Spanish, Swedish, Thai, Turkish,
  Ukrainian, Urdu, Urdu (Pakistan), Uyghur, Vietnamese

(gutteridge)