Update setup.cfg

Author: Richardk2n

setup.cfg

@@ -10,11 +10,11 @@ classifiers =
     Intended Audience :: Developers
     Topic :: Software Development
     License :: OSI Approved :: MIT License
-    Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
+    Programming Language :: Python :: 3.12
 
 [options]
 python_requires = >= 3.8