[neon-notifications] Dev Required: malcontent - 0.10.4

[Neon CI]

https://build.neon.kde.org/job/watcher_release_backports-focal_malcontent/185/display/redirect

#<Debian::UScan::DEHS::Package:0x000055bf6b87af48 @name="malcontent", @debian_uversion="0.10.3", @debian_mangled_uversion="0.10.3", @upstream_version="0.10.4", @upstream_url="https://gitlab.freedesktop.org/pwithnall/malcontent/-/archive/0.10.4/malcontent-0.10.4.tar.bz2", @status="Newer version available">