Add Windows aarch64 build and test job to CI
Based on discussion in https://github.com/astral-sh/uv/pull/10306, this
adds building aarch64 exe using x86 runner. See:
https://github.com/astral-sh/uv/pull/10402#issuecomment-2579094192
Addresses: #1141
---------
Co-authored-by: Zanie Blue <contact@zanie.dev>
