Fix msys CI build
The vulkan-headers package was missing.
Filed https://github.com/mesonbuild/meson/issues/13016 about meson not properly marking Vulkan as not found.
Edited by Benjamin Otte
The vulkan-headers package was missing.
Filed https://github.com/mesonbuild/meson/issues/13016 about meson not properly marking Vulkan as not found.