ci: add release-publish workflow from starbase

[tigarmo]

• Have you followed the guidelines for contributing?
• Have you signed the CLA?
• Have you successfully run tox?

[codecov]

Codecov Report

Merging #169 (8efb45b) into main (56ad8e7) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #169   +/-   ##
=======================================
  Coverage   94.54%   94.54%           
=======================================
  Files           7        7           
  Lines        1044     1044           
  Branches      192      192           
=======================================
  Hits          987      987           
  Misses         53       53           
  Partials        4        4           

[tigarmo]

Converting this back to Draft until we agree on CI release publishing

[mr-cal]

I retained the craft-providers merge. Without the Pypi token, it only uploaded the artifact to the github release (tarballs here: https://github.com/canonical/craft-providers/releases/tag/1.15.0)