[neon-notifications] Releasing: kgraphviewer - 2.5.0

[Neon CI]

https://build.neon.kde.org/job/watcher_release_extras_kgraphviewer/952/display/redirect

#<Debian::UScan::DEHS::Package:0x00007f3b9eabdc78 @name="kgraphviewer", @debian_uversion="2.4.3", @debian_mangled_uversion="2.4.3", @upstream_version="2.5.0", @upstream_url="http://download.kde.internal.neon.kde.org/stable/kgraphviewer/2.5.0/kgraphviewer-2.5.0.tar.xz", @status="Newer version available">