On Support site, the following ISO is provided as Boot Image for Linux machines:
While using it on BIOS systems, the image works, but on UEFI system isn't.
Client Automation - 14.5 and older
This is a known limitation of Linux Boot image, as explained here (at the bottom of the page):
At the moment this article was created (March 2021), there is no solution provided, but there is an Idea already created:
Which means it's under Product Team evaluation, as a way to check the possibility to include this feature in a future release.