ci: Introduce PyPi Publisher workflow

[kellervater]

As requested in this discussion this PR adds a PyPi publisher workflow to the repository.

• The workflow has been added as Trusted Publisher in PyPi so we don't need to handle any access tokens.
• The setup.cfg has been merged into the new pyproject.toml
• Currently the pubishing workflow also runs on push in this branch as long as we test.

Related issue: https://github.com/camunda/team-infrastructure/issues/801

[CLAassistant]

All committers have signed the CLA.

[Copilot]

Copilot reviewed 3 out of 4 changed files in this pull request and generated no comments.

Files not reviewed (1)

• setup.cfg: Language not supported

Comments suppressed due to low confidence (2)

pyproject.toml:29

• The license-files glob pattern appears unusual; consider verifying if 'LICEN[CS]E*' is the intended pattern or if it should be 'LICENSE*'.

license-files = ["LICEN[CS]E*"]

.github/workflows/publish.yml:2

• The PR description mentions that the publishing workflow runs on push for testing, but the diff only triggers on release (published). If push events are desired for testing, consider updating the trigger accordingly.

on:

[danbailo]

nice job! Thanks!!

[yogeshrnaik]

@kellervater Nice work! Thank you.