Missing Linux AArch64 wheels on PyPi

## 🌱 Describe your Feature Request
- A clear and concise description of what the problem is.
- Missing Linux AAarch64 wheels on PyPi. It would be beneficial for Linux aarch64 users if you could release AArch64 wheels on PyPi.
- CoreML / iOS version you are using?
- Not applicable
- Are you interested in contributing?
- Yes

## Use cases
- Pip should be able to download linux, aarch64 wheels rather than building form source code.

No files or tests are named. Start by reviewing the repository's Python packaging and release configuration, then determine how Linux AArch64 wheel artifacts are built and published to PyPI. Done means pip can download a Linux AArch64 wheel instead of building coremltools from source.

Written by the indexing model from the issue text.