[neon-notifications] Dev Required: fwupd - 1.6.0

[Neon CI]

https://build.neon.kde.org/job/watcher_release_backports-focal_fwupd/158/display/redirect

#<Debian::UScan::DEHS::Package:0x000056028e98aa30 @name="fwupd", @debian_uversion="1.5.7", @debian_mangled_uversion="1.5.7", @upstream_version="1.6.0", @upstream_url="https://github.com/fwupd/fwupd/archive/refs/tags/1.6.0.tar.gz", @status="Newer version available">