[neon-notifications] Dev Required: malcontent - 0.10.3

[Neon CI]

https://build.neon.kde.org/job/watcher_release_backports-focal_malcontent/92/display/redirect

#<Debian::UScan::DEHS::Package:0x000055e0242b0c50 @name="malcontent", @debian_uversion="0.10.2", @debian_mangled_uversion="0.10.2", @upstream_version="0.10.3", @upstream_url="https://gitlab.freedesktop.org/pwithnall/malcontent/-/archive/0.10.3/malcontent-0.10.3.tar.bz2", @status="Newer version available">