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

[Neon CI]

https://build.neon.kde.org/job/watcher_release_kde_plasma-systemmonitor/631/display/redirect

#<Debian::UScan::DEHS::Package:0x00007c89532e6018 @name="plasma-systemmonitor", @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-systemmonitor-6.7.1.tar.xz", @status="Newer version available">