[neon-notifications] libkf5libkdepim new version 18.12.1

[Neon CI]

https://build.neon.kde.org/job/watcher_release_kde_libkdepim/259/display/redirect

#<Debian::UScan::DEHS::Package:0x000056249c983c78 @name="libkf5libkdepim", @debian_uversion="18.12.0", @debian_mangled_uversion="18.12.0", @upstream_version="18.12.1", @upstream_url="http://download.kde.internal.neon.kde.org/stable/applications/18.12.1/src/libkdepim-18.12.1.tar.xz", @status="Newer version available">