tox: move to pylint 3.0.2 for py312 support

With python 3.12 our pylint version breaks because of
pylint-dev/astroid#2201

This is fixed in 3.0.0a6 but it seems sensible to move
to 3.0.2.

Author: mvo5

tox.ini

@@ -59,7 +59,7 @@ commands =
 
 [testenv:pylint]
 deps =
-    pylint==2.17.3
+    pylint==3.0.2
 
 commands =
     bash -c 'python -m pylint {env:LINTABLES}'