[neon-notifications] Dev Required: libxcvt - 0.1.2

[Neon CI]

https://build.neon.kde.org/job/watcher_release_backports-focal_xcvt/228/display/redirect

#<Debian::UScan::DEHS::Package:0x0000562233300b78 @name="libxcvt", @debian_uversion="0.1.1", @debian_mangled_uversion="0.1.1", @upstream_version="0.1.2", @upstream_url="https://xorg.freedesktop.org/releases/individual/lib/libxcvt-0.1.2.tar.xz", @status="Newer version available">