Dependencies that pagure requires are not available in EPEL 9.

Even though release 6.0 will still take a bit, it's worth to already work on those missing packages.

That's just what's obviously missing, they might have other dependencies that are not yet available.

https://src.fedoraproject.org/rpms/python-mock
- EPEL orphaned

https://src.fedoraproject.org/rpms/python-binaryornot
- No EPEL 9 branch

https://src.fedoraproject.org/rpms/python-celery
- No EPEL 9 branch

https://src.fedoraproject.org/rpms/python-flask-oidc
- No EPEL 9 branch

https://src.fedoraproject.org/rpms/python-straight-plugin
- No EPEL 9 branch

https://src.fedoraproject.org/rpms/python-jenkins
- No EPEL 9 branch

https://src.fedoraproject.org/rpms/python-pagure-messages
- No EPEL 9 branch