KDE release 19.12.0 packages available for packagers

[Christoph Feck]

Hello packagers,

As announced, the download path for the monthly releases has changed:
*.tar.xz files are now at "stable/release-service/19.12.0".

Please test thoroughly and report issues.
Release is planned next Thursday.

REVISIONS_AND_HASHES at https://phabricator.kde.org/P500

Shortlog since v19.11.90 at https://phabricator.kde.org/P501

Preliminary changelog since v19.08.3 at 
https://kde.org/announcements/fulllog_applications-aether.php?version=19.12.0
(this URL is likely to change for the release)

My public key at 
http://pgp.mit.edu/pks/lookup?op=get&search=0xF23275E4BF10AFC1DF6914A6DBD2CE893E2D1C87

Thanks,
Christoph Feck