Just FYI I figured this part out, got stuck at part 2.
To get the librnnoise_ladspa you need to install a copr…
sudo dnf install --enablerepo=copr:copr.fedorainfracloud.org:ycollet:audinux ladspa-noise-suppression-for-voice
Linked thread for reference: F40 | How to Enable PipeWire Filter Chain