[neon-notifications] Releasing: plymouth-kcm - 5.23.0

[Neon CI]

https://build.neon.kde.org/job/watcher_release_kde_plymouth-kcm/15/display/redirect

#<Debian::UScan::DEHS::Package:0x000055c9f9574310 @name="plymouth-kcm", @debian_uversion="5.22.5", @debian_mangled_uversion="5.22.5", @upstream_version="5.23.0", @upstream_url="https://download.kde.internal.neon.kde.org/stable/plasma/5.23.0/plymouth-kcm-5.23.0.tar.xz", @status="Newer version available">