Lint using latest Python

Author: Tinche

tox.ini

@@ -4,8 +4,8 @@ python =
     3.8: py38
     3.9: py39
     3.10: py310
-    3.11: py311, lint
-    3.12: py312
+    3.11: py311
+    3.12: py312, lint
     pypy-3: pypy3
 
 [tox]
@@ -14,7 +14,7 @@ isolated_build = true
 skipsdist = true
 
 [testenv:lint]
-basepython = python3.11
+basepython = python3.12
 allowlist_externals =
     make
     pdm