xfce4-weather-plugin: update to 0.11.1

Change log:

0.11.1 (2023-04-21)
======
- Update copyright year
- Remove deprecated project files
- Prevent Celcius display of -0C (fixes #63)
- Fix blurry logo when UI scale > 1
- Fix blurry icons when UI scale > 1
- Fix intltool lock file bug in make distcheck
- Rename `timezone` to avoid shadowing global variable
- Return from function to avoid using garbage values
- Use correct variable
- Add settings button to summary window (Fixes #41)
- Drop strftime padding (Fixes #46)
- Improve settings UI
- Add new icons with rDNS naming
- Fix forecast layout (Fixes #40)
- Translation Updates:
  Albanian, Arabic, 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, Korean, Lithuanian, Malay,
  Norwegian Bokml, Norwegian Nynorsk, Occitan (post 1500), Polish,
  Portuguese, Portuguese (Brazil), Russian, Serbian, Slovak, Slovenian,
  Spanish, Swedish, Thai, Turkish, Ukrainian

(gutteridge)