BUG #16382: pgdg-redhat-repo-42.0-9 has two sections with the same name - causing issues

The following bug has been logged on the website:

Bug reference:      16382
Logged by:          Susan Thistlethwaite
Email address:      sthistleva@gmail.com
PostgreSQL version: Unsupported/Unknown
Operating system:   CentOS 7
Description:

Please rename one of the two 'pgdg12-source' sections below (they shouldn't
be the same name and it's messing up my Foreman install).
from:
https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-42.0-9.noarch.rpm
===
...
# PGDG Red Hat Enterprise Linux / CentOS SRPM testing common repository

[pgdg12-source]
name=PostgreSQL 12 for RHEL/CentOS $releasever - $basearch - Source
failovermethod=priority
baseurl=https://download.postgresql.org/pub/repos/yum/srpms/common/redhat/rhel-$releasever-$basearch
enabled=0
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-PGDG

# PGDG Source RPMs (SRPM), and their testing repositories:

[pgdg12-source]
name=PostgreSQL 12 for RHEL/CentOS $releasever - $basearch - Source
failovermethod=priority
baseurl=https://download.postgresql.org/pub/repos/yum/srpms/12/redhat/rhel-$releasever-$basearch
enabled=0
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-PGDG