[neon-notifications] Dev Required: libgwenhywfar - 5.8.1

[Neon CI]

https://build.neon.kde.org/job/watcher_release_backports-focal_libgwenhywfar/100/display/redirect

#<Debian::UScan::DEHS::Package:0x000055d9d1a2bec0 @name="libgwenhywfar", @debian_uversion="5.7.4", @debian_mangled_uversion="5.7.4", @upstream_version="5.8.1", @upstream_url="https://www.aquamaniac.de/rdm/attachments/download/402/gwenhywfar-5.8.1.tar.gz", @status="Newer version available", @warnings="Nothing was downloaded before, skipping pgp check">