Added note for those installing Windows 11 to bypass internet connection screen

[ChrisVo]

Currently, to bypass windows 11's "Let's connect you to a network" screen, you'll need to run the command within the note.

[osy]

It is documented here with other windows specific tips https://github.com/utmapp/mac.getutm.app/blob/main/_virtual_machines/windows-11-arm.md