Upstream changes
- migrate favicons directly to new cache
- rework favicon storage to use DiskCache
- DiskCache: tweak how expiration is invoked
- deprecate DiskCache->touch()
- update_rss_feed: use DiskCache to store feed data
-
- split local cache implementation into a separate class * allow custom implementations provided by plugins
- Merge branch 'weblate-integration'
- Translated using Weblate (Galician)
- Translated using Weblate (Galician)
- Translated using Weblate (Chinese (Traditional))