Gupax won't start on Ubuntu 24.04/RPi5
## OS & Version: 
Ubuntu 24.04 on a RPi5
I tried Gupax v1.3.3 & v1.3.6

## Bug
Clicking on Gupax or Gupax.AppImage will not launch Gupax

## Steps
I followed the Build instructions (install Rust, Cargo...) no error messages. 
