BUG #17790: Download of SLES 12 SP5 - x86_64 is not working

The following bug has been logged on the website:

Bug reference:      17790
Logged by:          Corina Pop-Hotaran
Email address:      corinapophotaran@gmail.com
PostgreSQL version: 15.1
Operating system:   Linux
Description:        

Downloading SLES 12 SP5 - x86_64 is not working from the page
https://zypp.postgresql.org/packages/. 
Problem:
https://download.postgresql.org/pub/repos/zypp/15/suse/sles-12.5-x86_64/
shows "404 Not Found" error.
Cause: the link is incorrect. The correct link is:
https://download.postgresql.org/pub/repos/zypp/15/suse/sles-12-x86_64/.