[Bug]: Support special versions of pytorch in setup.py

[mtar]

What happened?

Special versions of pytorch adds a plus sign and some text to the version number like 1.12.1+cpu or 1.12.1+cu116. When installing Heat, these packages get replaced (1.12.1).

https://github.com/helmholtz-analytics/heat/blob/5ff03147ae0ff338a07efaefaf3f288e7090c6cc/setup.py#L36

Version

main (development branch), release

PyTorch version

1.12.1

[mtar]

using less rather than less equal for the upper bound fixes the issue for me