* Add `:pypi:` role for linking to PyPI projects
* Default to linking GH Sponsors for the :user: role
* Support Python 3.8-3.12. Older versions are no longer supported.
* Backwards-incompatible*: Remove ``__version__``,
``__author__``, and ``__license__`` attributes.
Use ``importlib.metadata`` to read this metadata instead.
* Add :pr: role.
* Raise ValueError if neither issues_uri nor issues_github_path
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-sphinx-issues?expand=0&rev=17
