Assimulo-3.5.0

* Changed "numpy.float" to equivalent "numpy.float64" due to DeprecationWarnings in numpy >= 1.20.
* Improved examples with sparse jacobians by omitting the zeros in the jacobians.
* Upgraded to Cython >= 3.
* Removed deprecated build option "sundials_with_superlu", which is checked automatically.
* Added support for Sundials 7.x

Attached wheels are compiled on Ubuntu 22.04 (the linux wheel) and Windows 10 (the windows wheel).