Fedora-Rawhide: No RPM for python-poster

[hairmare]

Mageia and ROSA seem to be the only distro that have python-poster. @radiorabe has it's own repo linked below.

• https://pkgs.org/download/python-poster
• https://build.opensuse.org/package/show/home:radiorabe:airtime/python-poster
• https://github.com/radiorabe/centos-rpm-python-poster.git
• https://atlee.ca/software/poster/
• https://bitbucket.org/chrisatlee/poster
• https://release-monitoring.org/project/18292/