[neon-notifications] kstars new version 3.3.7

[Neon CI]

https://build.neon.kde.org/job/watcher_release_extras_kstars/640/display/redirect

#<Debian::UScan::DEHS::Package:0x000055f0bd0252e8 @name="kstars", @debian_uversion="3.3.6", @debian_mangled_uversion="3.3.6", @upstream_version="3.3.7", @upstream_url="http://download.kde.internal.neon.kde.org/stable/kstars/kstars-3.3.7.tar.xz", @status="Newer version available">