[neon-notifications] kdenlive new version 19.04.2

[Neon CI]

https://build.neon.kde.org/job/watcher_release_forks_kdenlive/455/display/redirect

#<Debian::UScan::DEHS::Package:0x0000557e1b061028 @name="kdenlive", @debian_uversion="19.04.1", @debian_mangled_uversion="19.04.1", @upstream_version="19.04.2", @upstream_url="http://download.kde.internal.neon.kde.org/stable/applications/19.04.2/src/kdenlive-19.04.2.tar.xz", @status="Newer version available">