[neon-notifications] Releasing: kaichat - 0.8.0

[Neon CI]

https://build.neon.kde.org/job/watcher_release_utilities_kaichat/189/display/redirect

#<Debian::UScan::DEHS::Package:0x00007736438167a8 @name="kaichat", @debian_uversion="0.7.0", @debian_mangled_uversion="0.7.0", @upstream_version="0.8.0", @upstream_url="http://download.kde.internal.neon.kde.org/stable/kaichat/kaichat-0.8.0.tar.xz", @status="Newer version available">