[neon-notifications] Dev Required: libavif - 0.11.1-rc1

[Neon CI]

https://build.neon.kde.org/job/watcher_release_backports-focal_libavif/430/display/redirect

#<Debian::UScan::DEHS::Package:0x00005619183c4948 @name="libavif", @debian_uversion="0.9.3", @debian_mangled_uversion="0.9.3", @upstream_version="0.11.1-rc1", @upstream_url="https://github.com/AOMediaCodec/libavif/archive/refs/tags/v0.11.1-rc1.tar.gz", @status="Newer version available">