[neon-notifications] Dev Required: xdg-dbus-proxy - 0.1.3

[Neon CI]

https://build.neon.kde.org/job/watcher_release_backports-focal_xdg-dbus-proxy/164/display/redirect

#<Debian::UScan::DEHS::Package:0x0000558b5e0a0cf0 @name="xdg-dbus-proxy", @debian_uversion="0.1.2", @debian_mangled_uversion="0.1.2", @upstream_version="0.1.3", @upstream_url="https://github.com/flatpak/xdg-dbus-proxy/releases/download/0.1.3/xdg-dbus-proxy-0.1.3.tar.xz", @status="Newer version available">