Py-pde

Fixed problem with setting allowed python versions

What's Changed
* Fix requirements for maximal python version by david-zwicker in https://github.com/zwicker-group/py-pde/pull/430


**Full Changelog**: https://github.com/zwicker-group/py-pde/compare/0.32.0...0.32.1

What's Changed
* Bump maximal python version to 3.11 by david-zwicker in https://github.com/zwicker-group/py-pde/pull/414
* Fixed problems with MPI simulations by david-zwicker in https://github.com/zwicker-group/py-pde/pull/415
* Fixed bug in error calculation for adaptive time stepper by david-zwicker in https://github.com/zwicker-group/py-pde/pull/417
* Allow inner hole in cylindrical grid by david-zwicker in https://github.com/zwicker-group/py-pde/pull/420
* Cleaned up some things by david-zwicker in https://github.com/zwicker-group/py-pde/pull/421
* Fix unstable 1D examples by david-zwicker in https://github.com/zwicker-group/py-pde/pull/422
* Adjusted how the `fastmath` flag is interpreted by david-zwicker in https://github.com/zwicker-group/py-pde/pull/423
* Fix and improve operators for polar grids with holes by david-zwicker in https://github.com/zwicker-group/py-pde/pull/424


**Full Changelog**: https://github.com/zwicker-group/py-pde/compare/0.31.0...0.32.0

What's Changed
* Renamed `method` argument to `solver` in pde.solve by david-zwicker in https://github.com/zwicker-group/py-pde/pull/411
* Allow more flexibility in choosing whether state is modified after step by david-zwicker in https://github.com/zwicker-group/py-pde/pull/412
* Allow changing default time step by david-zwicker in https://github.com/zwicker-group/py-pde/pull/413


**Full Changelog**: https://github.com/zwicker-group/py-pde/compare/0.30.1...0.30.2

Minor release to allow newer version of `numpy` (again)

The main change in this release is a refactored solver infrastructure, which will allow easier integration of additional solvers in the future.

What's Changed
* More graceful failure if file was not found in `test_packages_from_requirements` by david-zwicker in https://github.com/zwicker-group/py-pde/pull/401
* Added method to extract field at the boundary of a ScalarField by david-zwicker in https://github.com/zwicker-group/py-pde/pull/404
* Improved evaluation of user expressions for fields by david-zwicker in https://github.com/zwicker-group/py-pde/pull/406
* Refactored solver infrastructure by david-zwicker in https://github.com/zwicker-group/py-pde/pull/409


**Full Changelog**: https://github.com/zwicker-group/py-pde/compare/0.29.0...0.30.0

This is mostly a maintenance release, fixing some important bugs.

What's Changed
* Use is_jitted to check for compiled function by david-zwicker in https://github.com/zwicker-group/py-pde/pull/378
* Fixed tests of example scripts by david-zwicker in https://github.com/zwicker-group/py-pde/pull/381
* Added better protection to making multiple identical subclasses by david-zwicker in https://github.com/zwicker-group/py-pde/pull/382
* Improved steady state tracker by david-zwicker in https://github.com/zwicker-group/py-pde/pull/384
* Added `sphinxcontrib.jquery` by david-zwicker in https://github.com/zwicker-group/py-pde/pull/386
* Adjust napari viewer to newest napari by david-zwicker in https://github.com/zwicker-group/py-pde/pull/390
* Allow user functions and constants in expressions for fields by david-zwicker in https://github.com/zwicker-group/py-pde/pull/392
* Adjust to newest version of black and mypy by david-zwicker in https://github.com/zwicker-group/py-pde/pull/393
* Improved checks for custom BCs of PDE class by david-zwicker in https://github.com/zwicker-group/py-pde/pull/394
* Add warning when boundary conditions were not used in `evaluate` by david-zwicker in https://github.com/zwicker-group/py-pde/pull/395
* Removed deprecated configuration keys by david-zwicker in https://github.com/zwicker-group/py-pde/pull/398
* Include requirements in the distributed package, so `environment` works by david-zwicker in https://github.com/zwicker-group/py-pde/pull/400


**Full Changelog**: https://github.com/zwicker-group/py-pde/compare/0.28.0...0.29.0