poorwsgi is incompatible with python 3.13

[ausil]

According to https://docs.python.org/3.13/whatsnew/3.13.html

PEP 594: Remove the cgi and cgitb modules, deprecated in Python 3.11.

which is used in poorwsgi/request.py

  File "/home/dennis/.local/lib/python3.13/site-packages/prusa/link/conditions.py", line 8, in <module>
    from poorwsgi import state
  File "/home/dennis/.local/lib/python3.13/site-packages/poorwsgi/__init__.py", line 24, in <module>
    from poorwsgi.wsgi import Application
  File "/home/dennis/.local/lib/python3.13/site-packages/poorwsgi/wsgi.py", line 24, in <module>
    from poorwsgi.request import Request, SimpleRequest
  File "/home/dennis/.local/lib/python3.13/site-packages/poorwsgi/request.py", line 9, in <module>
    from cgi import FieldStorage as CgiFieldStorage, parse_header
ModuleNotFoundError: No module named 'cgi'

[ondratu]

Done in bb2a77b