Description of problem:

Unable to enable satellite:el8 module stream for installing Red Hat Satellite 6.16

Version-Release number of selected component (if applicable):

Red Hat Satellite 6.16 on RHEL-8

How reproducible:

100%

Steps to Reproduce:
1. On a RHEL-8 host try to enable the module by running the below command:-

dnf -y module enable satellite:el8
Updating Subscription Management repositories.
Satellite Stream RHEL8 4.6 kB/s | 2.1 kB 00:00
Satellite Maintenance Stream RHEL8

Actual results:
----------------
Modular dependency problem:

Problem: conflicting requests

• nothing provides module(postgresql:13) needed by module satellite:el8:999920240326122739:54432d27.x86_64 from Satellite_Engineering_Satellite_stream_Composes_Satellite_stream_RHEL8
  Error: Problems in request:
  Modular dependency problems:

Problem: conflicting requests

• nothing provides module(postgresql:13) needed by module satellite:el8:999920240326122739:54432d27.x86_64 from Satellite_Engineering_Satellite_stream_Composes_Satellite_stream_RHEL8

Expected results:

Should be able to enable module satellite:el8 without any issues.

Additional info:
==================================

1. dnf module info satellite:el8
   Updating Subscription Management repositories.
   Satellite Stream RHEL8 4.5 kB/s | 2.1 kB 00:00
   Satellite Maintenance Stream RHEL8 4.5 kB/s | 2.1 kB 00:00
   Modular dependency problem:

Problem: conflicting requests

• nothing provides module(postgresql:13) needed by module satellite:el8:999920240326122739:54432d27.x86_64 from Satellite_Engineering_Satellite_stream_Composes_Satellite_stream_RHEL8
  Name : satellite
  Stream : el8 [e]
  Version : 999920240326122739
  Context : 54432d27
  Architecture : x86_64
  Profiles :
  Default profiles :
  Repo : Satellite_Engineering_Satellite_stream_Composes_Satellite_stream_RHEL8
  Summary : Satellite module
  Description : A module to make Satellite easier to install.
  Requires : pki-core:[]
  : platform:[el8]
  : postgresql:[13] ======================> 13 is not provided by RHEL-8 repositories.
  : ruby:[2.7]
  : satellite-maintenance:[el8]
  ==================================