update why-does-wasabi-only-use-segwit-bech32-addresses

[MarnixCroes]

https://docs.wasabiwallet.io/FAQ/FAQ-UseWasabi.html#why-does-wasabi-only-use-segwit-bech32-addresses

change title and add taproot?

[yahiheb]

I wouldn't do it until we can generate taproot addresses.
Maybe I wouldn't change the title, I would just edit the answer mentioning that it is no longer the case and point to another question where we mention support of both segwit v0 and segwit v1 addresses.