Github action for auto releasing to PyPI when release is made

[Adoni5]

Dig into:

1. https://github.com/pypa/cibuildwheel
2. https://github.com/pypa/gh-action-pypi-publish
3. https://docs.pypi.org/trusted-publishers/using-a-publisher/

### Tasks
- [x] Add job to CI after tests
- [x] build a wheel with `readfish-{version}-py3-none-any.whl`, as it's pure python

[github-actions[bot]]

We found the following entries in the FAQ which you may find helpful:

• Connection error. [bad_reply] Could not interpret message from server for request: LOAD_CONFIG. Reply: INVALID_PROTOCOL
• Connection error. [timed_out] Timeout waiting for reply to request: LOAD_CONFIG

Feel free to close this issue if you found an answer in the FAQ. Otherwise, please give us a little time to review.

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