Cytoolz

- Add support for Python 3.12, PyPy 3.9, and PyPy 3.10
- Update to match `toolz` 0.12.1

_**This is a pre-release**_

- Support Python 3.12
- Match `toolz` 0.12.1
- Fix docstring to match `toolz`
- Don't run "release" tests on PyPy when building wheels

_**This is a pre-release**_

- Support Python 3.12
- Match `toolz` 0.12.1
- Fix docstring to match `toolz`

_**This is a pre-release**_

- Support Python 3.12
- Match `toolz` 0.12.1

- Support Cython 3.0 (199)
- Stop building wheels for PyPy 3.9 and PyPy 3.10, which stopped working for some reason (199)

- Support Python 3.11 (including wheels)
- Drop Python 3.5 support