Update to Wine 4.6. This includes the following changes:

• Beginnings of a Vulkan backend for WineD3D.
• Support for loading Mono libraries from a shared location.
• Libwine.dll no longer needed when using Wine DLLs on Windows.
• Regression tests compiled directly to PE format.
• Support for the Split Button Common Control.
• Complex structs support in the typelib marshaller.
• Video capture ported to Video4Linux version 2.
• Initial version of the Debug Engine DLL.
• Various bug fixes.

And two more files have moved from Staging to the primary tree.