[neon-notifications] Dev Required: libqt6qxlsx - 1.5.1.1

[Neon CI]

https://build.neon.kde.org/job/watcher_release_neon-packaging_libqt6qxlsx/438/display/redirect

#<Debian::UScan::DEHS::Package:0x000071127dab0bc0 @name="libqt6qxlsx", @debian_uversion="1.5.0", @debian_mangled_uversion="1.5.0", @upstream_version="1.5.1.1", @upstream_url="https://github.com/QtExcel/QXlsx/archive/refs/tags/v1.5.1.1.tar.gz", @status="Newer version available">