BUG #17041: repository version 13 is empty

The following bug has been logged on the website:

Bug reference: 17041
Logged by: Yauhen
Email address: yauhenk@google.com
PostgreSQL version: 13.2
Operating system: gLinux
Description:

Hello. 13th version of any repo is empty
This is an example. Package folder has zero size
http://apt.postgresql.org/pub/repos/apt/dists/stretch-pgdg/13/binary-amd64/