[neon-notifications] Releasing: plasma-welcome - 6.7.1

[Neon CI]

https://build.neon.kde.org/job/watcher_release_neon-packaging_plasma-welcome/639/display/redirect

#<Debian::UScan::DEHS::Package:0x00007ff54e214850 @name="plasma-welcome", @debian_uversion="6.7.0", @debian_mangled_uversion="6.7.0", @upstream_version="6.7.1", @upstream_url="https://download.kde.internal.neon.kde.org/stable/plasma/6.7.1/plasma-welcome-6.7.1.tar.xz", @status="Newer version available">