Have Tox use any Python 3 version

Author: HexDecimal

.github/workflows/python-package.yml

@@ -193,7 +193,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.x
+          python-version: "3.x"
       - name: Install Python dependencies
         run: |
           python -m pip install --upgrade pip tox

tox.ini

@@ -1,7 +1,7 @@
 [tox]
 isolated_build = True
 env_list =
-    py311
+    py3
 minversion = 4.4.11
 
 [testenv]