* Update for python 3.10
* Update mac image
* Update build constraints for python 3.10
* Add extras for cupy cuda 11.3-11.5
* Remove cupy-cuda115 extra
* Require thinc>=8.0.12
* Switch CI to windows-2019
* Skip mypy for python 3.10
* Dynamically include numpy headers
* Add `build-constraints.txt` with numpy version pins for building wheels with `pip` and `wheelwright`
* Update `setup.py` to add current numpy include directory
* Assume `cython` and `numpy` are installed for `setup.py`
* Remove included numpy headers
* Fix typo in requirements.txt
* Use script in CI