fixed tox config

Author: cehbrecht

.github/workflows/main.yml

@@ -37,8 +37,10 @@ jobs:
             python-version: "3.10"
           - tox-env: py311-extra
             python-version: "3.11"
-          - tox-env: py311-extra
+          - tox-env: py312-extra
             python-version: "3.12"
+          - tox-env: py313-extra
+            python-version: "3.13"
     steps:
     - uses: actions/checkout@v4
     - name: Install packages 📦

tox.ini

@@ -1,9 +1,9 @@
 [tox]
 min_version = 4.0
 envlist =
-    py{39,310,311}{-extra,},
+    py{310,311,312,313}{-extra,},
     lint
-requires = pip >= 20.0
+requires = pip >=25.2
 opts = --verbose
 
 [testenv:lint]