vulkan: Fix build error due to missing VK_ERROR_INCOMPATIBLE_VERSION_KHR

VK_ERROR_INCOMPATIBLE_VERSION_KHR has been removed in version 162, which prevents building GTK 4.0 on more recent versions.

https://github.com/KhronosGroup/Vulkan-ValidationLayers/commit/21583aa4fd1d7b4a4968218125294459a43ba2d5