Sphinx-autodoc-typehints

What's Changed
* Disable GoogleDocstring._lookup_annotation by hoodmane in https://github.com/tox-dev/sphinx-autodoc-typehints/pull/309
* Fix napoleon handling of numpy docstrings with no explicitly provided return type by hoodmane in https://github.com/tox-dev/sphinx-autodoc-typehints/pull/311


**Full Changelog**: https://github.com/tox-dev/sphinx-autodoc-typehints/compare/1.21.6...1.21.7

What's Changed
* Refactor tests to make it easier to add new example functions by hoodmane in https://github.com/tox-dev/sphinx-autodoc-typehints/pull/306
* Resolve issue 305 by hoodmane in https://github.com/tox-dev/sphinx-autodoc-typehints/pull/307


**Full Changelog**: https://github.com/tox-dev/sphinx-autodoc-typehints/compare/1.21.5...1.21.6

What's Changed
* More robust determination of rtype location / fix issue 302 by hoodmane in https://github.com/tox-dev/sphinx-autodoc-typehints/pull/304


**Full Changelog**: https://github.com/tox-dev/sphinx-autodoc-typehints/compare/1.21.4...1.21.5

What's Changed
* Improvements to the location of the return type by hoodmane in https://github.com/tox-dev/sphinx-autodoc-typehints/pull/300


**Full Changelog**: https://github.com/tox-dev/sphinx-autodoc-typehints/compare/1.21.3...1.23.4

What's Changed
* Use format_annotation to render class attribute type annotations by hoodmane in https://github.com/tox-dev/sphinx-autodoc-typehints/pull/299


**Full Changelog**: https://github.com/tox-dev/sphinx-autodoc-typehints/compare/1.21.2...1.21.3

What's Changed
* Add fix for 296 by hoodmane in https://github.com/tox-dev/sphinx-autodoc-typehints/pull/297


**Full Changelog**: https://github.com/tox-dev/sphinx-autodoc-typehints/compare/1.21.1...1.21.2