Support Python 3.12

Author: JaapJoris

noxfile.py

@@ -1,6 +1,6 @@
 import nox
 
 
-@nox.session(python=["3.8", "3.9", "3.10", "3.11"])
+@nox.session(python=["3.8", "3.9", "3.10", "3.11", "3.12"])
 def tests(session):
     session.run("python", "-m", "unittest")

setup.cfg

@@ -15,6 +15,7 @@ classifiers =
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
+    Programming Language :: Python :: 3.12
     License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)
     Operating System :: OS Independent
 python_requires = '>=3.8'