Wintun on Windows 11

[Dimitri Papadopoulos Orfanos]

Hi,

The README states that Wintun "is a layer 3 TUN driver for Windows 7, 8, 
8.1, and 10":
        https://git.zx2c4.com/wintun/tree/README.md#n4
You should add Windows 11 to the list.

Best Regards,
Dimitri