This bug is part of the non-responsive maintainer procedure for <fas-id>, following https://docs.fedoraproject.org/en-US/fesco/Policy_for_nonresponsive_package_maintainers/. Please respond if you are still active in Fedora and want to maintain nagios-plugins-check-updates.
Checking on https://bugzilla.redhat.com/show_bug.cgi?id=1776007 - I (mhjacks) am willing to adopt this package.
Added you as admin.