Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28339>
Reviewed-by: Jesse Natalie <jenatali@microsoft.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26556>
Adding d3d12 to this ci build will prevent issues such as #6708 or fixes like !26363 from happening again in the future. Reviewed-by: Jesse Natalie <jenatali@microsoft.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26447>