Add Python 3.12 support in CI, tox, and setup files

Author: scpaes

.github/workflows/ci.yml

@@ -20,6 +20,8 @@ jobs:
             toxenv: py310
           - name: "3.11"
             toxenv: py311
+          - name: "3.12"
+            toxenv: py312
 
     steps:
     - uses: actions/checkout@v2

setup.py

@@ -38,6 +38,7 @@ def get_long_description():
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
         "Programming Language :: Python :: Implementation :: CPython",
         "Programming Language :: Python :: Implementation :: PyPy",
         "Topic :: Text Processing",

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py{37,38,39,310,311,py3}
+envlist = py{37,38,39,310,311,312,py3}
 skip_missing_interpreters = true
 
 [testenv]