[neon-notifications] kstars new version 3.4.2

[Neon CI]

https://build.neon.kde.org/job/watcher_release_extras_kstars/809/display/redirect

#<Debian::UScan::DEHS::Package:0x0000560764c0d598 @name="kstars", @debian_uversion="3.4.1", @debian_mangled_uversion="3.4.1", @upstream_version="3.4.2", @upstream_url="http://download.kde.internal.neon.kde.org/stable/kstars/kstars-3.4.2.tar.xz", @status="Newer version available">