[neon-notifications] kdenlive new version 19.12.1

[Neon CI]

https://build.neon.kde.org/job/watcher_release_forks_kdenlive/676/display/redirect

#<Debian::UScan::DEHS::Package:0x000055e6e0c77370 @name="kdenlive", @debian_uversion="19.12.0", @debian_mangled_uversion="19.12.0", @upstream_version="19.12.1", @upstream_url="http://download.kde.internal.neon.kde.org/stable/release-service/19.12.1/src/kdenlive-19.12.1.tar.xz", @status="Newer version available">