[neon-notifications] Dev Required: frei0r - 2.5.6

[Neon CI]

https://build.neon.kde.org/job/watcher_release_backports-noble_frei0r-plugins-noble/174/display/redirect

#<Debian::UScan::DEHS::Package:0x000078341c17bb78 @name="frei0r", @debian_uversion="2.3.3", @debian_mangled_uversion="2.3.3", @upstream_version="2.5.6", @upstream_url="https://github.com/dyne/frei0r/archive/refs/tags/v2.5.6.tar.gz", @status="Newer version available">