[neon-notifications] kxmlgui new version 5.72.0

[Neon CI]

https://build.neon.kde.org/job/watcher_release_kde_kxmlgui/829/display/redirect

#<Debian::UScan::DEHS::Package:0x000055b4033c48c8 @name="kxmlgui", @debian_uversion="5.71.0", @debian_mangled_uversion="5.71.0", @upstream_version="5.72.0", @upstream_url="https://download.kde.internal.neon.kde.org/stable/frameworks/5.72/kxmlgui-5.72.0.tar.xz", @status="Newer version available">