Please consider flatpak package for umbrello.
Flatpak is a package format for desktop applications that work well on many distributions.
It allows to install the application system wide or per user. As you can see there are many kde applications already packaged in flathub:
Please consider flatpak an option for Umbrello :-)
If you want to publish Umbrello as a flatpak on Flathub may be you want to read: