Update to libsoup3
 - libsoup3 is now required to be installed.

Update translations:
 - Polish by @MarcinScieszka
 - Turkish by @oguzkarayemis

- Improve icon code (fix #40)

Update translations
- French - by @franckgaga
- Czech  - by @lev741
- Chinese - by @zyw271828
- Italian - by @alealetti
- German  - by @zeners
- Russian - by @tvaliiev

- Add option to enable OpenWeatherMap multilingual support
- Add option for a 'today only' forecast
- Improve performance of data processing
- Fix display of background refresh intervals in preferences
- Update french translations - contributed by @franckgaga
- Various bug fixes

- Fix typo in personal API key variable
- Fix position index not always respected at start
- Add right padding on panel indicator
- Cleanup unnecessary global variables

- Complete preferences rebuild using libadwaita
- Add option to keep forecast expanded
- Add option to set preferred startup delay
- Remember prefs window size adjustments
- Remove 'seconds' from forecast times in 24hr time format

GNOME Shell 42+ support only from this version going forward.

- Remove old Mainloop API and access GLib directly
- Block manual refreshes less than 2 mins apart
- Use git-version for self builds in metadata and prefs about page

Performance Improvements
- Separation of UI from data logic
- Improve async functions
- Added 8 second delay on first boot/shell restart to prevent login animation stutters

Bug Fixes
- Keep weather popup open when clicking refresh button
- Popup also now stays open when changing location
- Fix log errors when changing location on the popup
- Fix log error spam when adjusting popup alignment slider

- Fix forecast not respecting system time format
- Fix preferences translations
- Add option to reduce forecast days to 1
- Add option to disable forecast data completely
- Move 5 day forecast to expandable dropdown
- Use async/await promises to fetch and process weather data

Fix forecast data not displaying when system locale not English

Fixes for Ubuntu based distros a19d7fc0

See merge request !5 for a list of changes.