* Prepare TUF scripts for CI and support different dev setups
* Allow only generating selected platforms for pkgs
* Force linux/amd64 on Dockerfile to support M1
* Add (beta) support for Fleet Desktop to linux
* Add dependency for linux desktop
* Amend makefile uname check
* Clarify env vars used for linux in execuser
* Add final set of fixes
* Remove -it from docker run
* Add desktop to the update runner for Linux
* Re-arrange tag.gz and fix upgrade check for linux desktop