Log Message:
xfce4-timer-plugin: update to 1.7.2

Change log:

1.7.2 (2023-04-18)
=====
- Update copyright year and bug report address
- always keep the dialog window above
- Allow to start any timer on timeout
- Remove dead code generating a warning
- Remove wrong function call
- Do not quit the main loop on "free-data"
- build: Add GLib requirement
- build: Fix autotools warnings
- Update configure.ac.in
- Use "logo-icon-name" instead of "logo" in about dialog
- build: Fix intltool lock file problem during make distcheck
- Update COPYING
- Delete "xfce4" from various strings
- Replace GTimeVal with GDateTime
- Context menu option to add new timer and pause/stop icons (!11)
- Fix missing translation macro for Time's up dialog
- Fix compilation warnings
- autoconf: Some updates
- Update `.gitignore`
- Request automatic widget length
- Properly save settings for many plugin instances
- Reaplce AC_CONFIG_MACRO_DIR with AC_CONFIG_MACRO_DIRS (!1)
- Create README.md. Update configure.ac.in
- 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, Interlingue, Italian, Japanese, Korean,
  Lithuanian, Malay, Norwegian Bokml, Occitan (post 1500), Persian
  (Iran), Polish, Portuguese, Portuguese (Brazil), Russian, Serbian,
  Slovak, Slovenian, Spanish, Swedish, Thai, Turkish, Ukrainian, Uyghur