qdbus not found on Debian 13

[vidvidex]

When using the scripts provided with this repo (install, uninstall, etc.), the qdbus command is not found. I don't know if this is a Debian 13 specific issue or if it happens elsewhere as well. The solution is to replace all occurrences of qdbus with qdbus6, which is the name used in Debian 13.

I can add a PR where this name is determined based on the OS, but first I figure to ask here if someone else has similar problems on other distros so I can fix it for those as well.