Support for Python 3.13

[bcapitanu]

The following fails:

python3.13 -m venv venv && source venv/bin/activate
pip install -U pip && pip install asyncdb

Error is:

        File "/private/var/folders/sx/slyqb94j7533_qcdhwzr_rm80000gn/T/pip-build-env-1ommkovk/overlay/lib/python3.13/site-packages/Cython/Compiler/ExprNodes.py", line 4946, in SliceIndexNode
          get_slice_utility_code = TempitaUtilityCode.load(
              "SliceObject", "ObjectHandling.c", context={'access': 'Get'})
        File "/private/var/folders/sx/slyqb94j7533_qcdhwzr_rm80000gn/T/pip-build-env-1ommkovk/overlay/lib/python3.13/site-packages/Cython/Compiler/Code.py", line 404, in load
          return cls(**kwargs)
        File "/private/var/folders/sx/slyqb94j7533_qcdhwzr_rm80000gn/T/pip-build-env-1ommkovk/overlay/lib/python3.13/site-packages/Cython/Compiler/Code.py", line 649, in __init__
          proto = sub_tempita(proto, context, file, name)
        File "/private/var/folders/sx/slyqb94j7533_qcdhwzr_rm80000gn/T/pip-build-env-1ommkovk/overlay/lib/python3.13/site-packages/Cython/Compiler/Code.py", line 641, in sub_tempita
          from ..Tempita import sub
        File "/private/var/folders/sx/slyqb94j7533_qcdhwzr_rm80000gn/T/pip-build-env-1ommkovk/overlay/lib/python3.13/site-packages/Cython/Tempita/__init__.py", line 4, in <module>
          from ._tempita import *
        File "/private/var/folders/sx/slyqb94j7533_qcdhwzr_rm80000gn/T/pip-build-env-1ommkovk/overlay/lib/python3.13/site-packages/Cython/Tempita/_tempita.py", line 36, in <module>
          import cgi
      ModuleNotFoundError: No module named 'cgi'
      [end of output]

[bcapitanu]

According to Python 3.13 release notes, module cgi was removed in 3.13

[phenobarbital]

Thank you for your request, unfortunately, I have several functions with dependencies over Pendulum and there is no 3.13 support.
I'm looking to avoid this hard-requirement to build a wheel for 3.13.