Changes in 1.12.0, 21-12-2021

• Place portals in the systemd session.slice
• settings: Add color-scheme key
• open-uri: Avoid a sync call to org.freedesktop.FileManager
• screncast: Allow restoring previous sessions
• Add a portal for requesting realtime permissions
• ci: Many improvements
• Publish the docs from a ci job
• Translation updates

$ sha256sum xdg-desktop-portal-1.12.0.tar.xz 
575c6ac16d4f8ea352ee260c1cca2e0ae7ec0d5019386ec5af0c38acb64095ac  xdg-desktop-portal-1.12.0.tar.xz