@rettigd your issue is not related to the topic where you originally posted. It is more similar to this topic:
The long and the short of it is your update is being prevented by packages which no longer exist. The solution is to uninstall them.
sudo pacman -R kalarmcal kfiredragonhelper kipi-plugins libkipi samba-mounter-git
Then try updating the system again.
garuda-update