Wintun on Windows 11

[Simon Rozman]

> 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.

Thanks. Added.

Regards,
Simon