fix: run pypi / docker upload from published draft releases (#2461)

Draft releases don't trigger the workflows (that's good!) but since they only 

Commit history before merge:

* fix: run pypi upload from published draft releases
* Fix broken task list markup in PR template
* change docker workflow to build on release publish

Co-authored-by: Richard Si <63936253+ichard26@users.noreply.github.com>