[neon-notifications] Releasing: kf6-oxygen-icons - 6.28.0

[Neon CI]

https://build.neon.kde.org/job/watcher_release_kf6_kf6-oxygen-icons/628/display/redirect

#<Debian::UScan::DEHS::Package:0x00007f9508671fc0 @name="kf6-oxygen-icons", @debian_uversion="6.27.0", @debian_mangled_uversion="6.27.0", @upstream_version="6.28.0", @upstream_url="https://download.kde.internal.neon.kde.org/stable/frameworks/6.28/oxygen-icons-6.28.0.tar.xz", @status="Newer version available">