xctool 0.2.1

Fixes issue with multiple Xcodes. For more details, see:

https://github.com/Homebrew/homebrew/pull/32428
https://github.com/facebook/xctool/releases/tag/v0.2.1

Closes #32648.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
xctool: update 0.2.1 bottle.