chore: python 3.13 support

Author: azmeuk

.github/workflows/tests.yaml

@@ -18,6 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         python:
+          - '3.13'
           - '3.12'
           - '3.11'
     steps:

pyproject.toml

@@ -15,6 +15,7 @@ classifiers = [
     "Development Status :: 4 - Beta",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: Implementation :: CPython",
     "License :: OSI Approved :: MIT License",
     "Environment :: Web Environment",
@@ -91,6 +92,7 @@ envlist =
     style
     py311
     py312
+    py313
     coverage
 
 [testenv]