Update GitHub Actions to use pypa/gh-action-pypi-publish@v1.12.2

[klaasnicolaas]

Proposed change

Additional information

• This PR fixes or closes issue: fixes #

Checklist

• [ ] I have updated the documentation if needed.
• [ ] I have updated the tests if needed.

[codecov[bot]]

Codecov Report

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

Project coverage is 100.00%. Comparing base (c3fe126) to head (a41511e). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #578 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 5 5 Lines 212 212 Branches 13 13 ========================================= Hits 212 212 ```

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