[neon-notifications] systemsettings new version 5.19.1

[Neon CI]

https://build.neon.kde.org/job/watcher_release_kde_systemsettings/833/display/redirect

#<Debian::UScan::DEHS::Package:0x000055674f7bc5f8 @name="systemsettings", @debian_uversion="5.19.0", @debian_mangled_uversion="5.19.0", @upstream_version="5.19.1", @upstream_url="https://download.kde.internal.neon.kde.org/stable/plasma/5.19.1/systemsettings-5.19.1.tar.xz", @status="Newer version available">