Description of problem: /etc/udev/rules.d is administrator territory. Please move the rules file to /usr/lib/udev/rules.d (aka %{_udevrulesdir}). Version-Release number of selected component (if applicable): mu-0:0.9.13-2.fc29.noarch
Gladly, yet mu cannot be rebuilt.
https://src.fedoraproject.org/rpms/mu/pull-request/2