[neon-notifications] Dev Required: libqalculate - 4.8.1

[Neon CI]

https://build.neon.kde.org/job/watcher_release_backports-jammy_libqalculate/348/display/redirect

#<Debian::UScan::DEHS::Package:0x000055a863e5af90 @name="libqalculate", @debian_uversion="4.7.0", @debian_mangled_uversion="4.7.0", @upstream_version="4.8.1", @upstream_url="https://github.com/Qalculate/libqalculate/archive/refs/tags/v4.8.1.tar.gz", @status="Newer version available">