Also test on Python 3.13 (#580)

Author: agronholm

.github/workflows/test.yml

@@ -14,7 +14,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "pypy-3.8", "pypy-3.9"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "pypy-3.8", "pypy-3.9"]
         include:
         - os: macos-latest
           python-version: "3.7"

pyproject.toml

@@ -110,7 +110,7 @@ src = ["src"]
 [tool.tox]
 legacy_tox_ini = '''
 [tox]
-envlist = py37, py38, py39, py310, py311, py312, pypy3, lint, pkg
+envlist = py37, py38, py39, py310, py311, py312, py313, pypy3, lint, pkg
 minversion = 4.0.0
 skip_missing_interpreters = true