[neon-notifications] Releasing: labplot - 2.12.0

[Neon CI]

https://build.neon.kde.org/job/watcher_release_extras_labplot/255/display/redirect

#<Debian::UScan::DEHS::Package:0x000074b1ed8a2730 @name="labplot", @debian_uversion="2.11.1", @debian_mangled_uversion="2.11.1", @upstream_version="2.12.0", @upstream_url="https://download.kde.internal.neon.kde.org/stable/labplot/labplot-2.12.0.tar.xz", @status="Newer version available">