BUG #16270: Repository URL is wrong

The following bug has been logged on the website:

Bug reference:      16270
Logged by:          Christian Wetzel
Email address:      christian.wetzel@gmail.com
PostgreSQL version: 12.2
Operating system:   SLES12
Description:

https://download.postgresql.org/pub/repos/zypp/repo/pgdg-sles-12.repo
contains the URL as 
https://download.postgresql.org/pub/repos/zypp/12/suse/sles-$releasever-$basearch
which is converted to
https://download.postgresql.org/pub/repos/zypp/12/suse/sles-12.5-x86_64
while the correct URL is
https://download.postgresql.org/pub/repos/zypp/12/suse/sles-12-5.x86_64
(dot and - switchted)