[neon-notifications] Dev Required: appstream - 1.1.1

[Neon CI]

https://build.neon.kde.org/job/watcher_release_backports-noble_appstream-noble/250/display/redirect

#<Debian::UScan::DEHS::Package:0x0000765d40815e48 @name="appstream", @debian_uversion="1.0.4", @debian_mangled_uversion="1.0.4", @upstream_version="1.1.1", @upstream_url="https://www.freedesktop.org/software/appstream/releases/AppStream-1.1.1.tar.xz", @status="Newer version available">