[neon-notifications] Dev Required: nextcloud-desktop - 3.16.4

[Neon CI]

https://build.neon.kde.org/job/watcher_release_backports-noble_nextcloud-desktop-noble/15/display/redirect

#<Debian::UScan::DEHS::Package:0x0000712f6d8aef18 @name="nextcloud-desktop", @debian_uversion="3.16.0", @debian_mangled_uversion="3.16.0", @upstream_version="3.16.4", @upstream_url="https://github.com/nextcloud/desktop/archive/refs/tags/v3.16.4.tar.gz", @status="Newer version available">