Add support for Python 3.12

Author: amotl

.github/workflows/tests.yml

@@ -20,12 +20,12 @@ jobs:
     strategy:
       matrix:
         os: ["ubuntu-20.04"]
-        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.6", "3.12"]
         include:
           - os: "macos-latest"
-            python-version: "3.11"
+            python-version: "3.12"
           - os: "windows-latest"
-            python-version: "3.11"
+            python-version: "3.12"
     env:
       OS: ${{ matrix.os }}
       PYTHON: ${{ matrix.python-version }}

setup.py

@@ -203,6 +203,7 @@
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
         "Topic :: Communications",
         "Topic :: Education",
         "Topic :: Internet",