Add detailed Cirrus CI upload steps

[IAlibay]

297 fixes a lot of the docs for deployment, but we need to add actual details on the things that need to be done to upload cirrus generated wheels.

[IAlibay]

For future record:

• Download the aarch64 and arm64.whl from TestPyPi
• Upload them to pypi using: twine upload -r pypi *.whl --verbose
• Check stuff made it to PyPi