[neon-notifications] Dev Required: libgwenhywfar - 5.7.2

[Neon CI]

https://build.neon.kde.org/job/watcher_release_backports-focal_libgwenhywfar/2/display/redirect

#<Debian::UScan::DEHS::Package:0x000056121a9bc760 @name="libgwenhywfar", @debian_uversion="5.6.0", @debian_mangled_uversion="5.6.0", @upstream_version="5.7.2", @upstream_url="https://www.aquamaniac.de/rdm/attachments/download/384/gwenhywfar-5.7.2.tar.gz", @status="Newer version available">