[neon-notifications] Releasing: kf6-knotifications - 6.0.0

[Neon CI]

https://build.neon.kde.org/job/watcher_release_kf6_kf6-knotifications/1/display/redirect

#<Debian::UScan::DEHS::Package:0x000056349fd391c0 @name="kf6-knotifications", @debian_uversion="5.245.0", @debian_mangled_uversion="5.245.0", @upstream_version="6.0.0", @upstream_url="https://download.kde.internal.neon.kde.org/stable/frameworks/6.0/knotifications-6.0.0.tar.xz", @status="Newer version available">