Enable building normalized wheel/sdists for new pypi requirements

[MHendricks]

Normalize the wheel/sdist package names so we can upload to pypy.org again. Currently we get an error like this.

Transparency log entry created with index: 869018225
Uploading distributions to https://upload.pypi.org/legacy/
Uploading Qt.py-2.0.0-py3-none-any.whl
WARNING  Error during upload. Retry with the --verbose option for more details. 
ERROR    HTTPError: 400 Bad Request from https://upload.pypi.org/legacy/        
         Filename 'Qt.py-2.0.0-py3-none-any.whl' should contain the normalized  
         project name 'qt_py', not 'Qt.py'.                                     

We are already building with python 3.10, but were limiting to a old version of setuptools. This removes that minimum version.