v4.21.0

What's Changed

• Update GIT url + add OSM US info by @willemarcel in #661
• Update ghcr url by @willemarcel in #662
• Fix changeset link in AOI RSS feed by @willemarcel in #668
• Remove order_by id options by @willemarcel in #669
• Cache RSS feed views for 30 minutes by @willemarcel in #670

Full Changelog: v4.20.0...v4.21.0