Update Xcode to 13.3.1

What does this MR do?

See title

Because ansible uses the system python by default, and Apple has started asking for license acceptation before all invocations, we need to switch to the homebrew python to install Xcode, so that we can reach the license accept step.

Also, macOS 12.3 has removed python2 so it needs to be reflected in the tests

Why was this MR needed?

What's the best way to test this MR?

What are the relevant issue numbers?