Set up pypi publish with trusted-publishing

[utensil]

See

• https://github.com/pypa/gh-action-pypi-publish/tree/release/v1/?tab=readme-ov-file#trusted-publishing
• https://docs.pypi.org/trusted-publishers/adding-a-publisher/
• maintainers please check https://pypi.org/manage/project/galgebra/settings/publishing/ as I have set up the trusted publishing for pygae/galgebra there

[utensil]

This should fix and update the pypi release process, will merge when all CI turn green.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 78.05%. Comparing base (25d432e) to head (b8ae6c3).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #509 +/- ## ======================================= Coverage 78.05% 78.05% ======================================= Files 17 17 Lines 4196 4196 ======================================= Hits 3275 3275 Misses 921 921 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.