Don't support Python 3.12 (not until OMPython does)

Author: lafrech

.github/workflows/build.yaml

@@ -24,7 +24,7 @@ jobs:
       matrix:
         include:
           - { name: '3.10', python: '3.10', tox: py310 }
-          - { name: '3.12', python: '3.12', tox: py312 }
+          - { name: '3.11', python: '3.11', tox: py311 }
           - { name: 'min', python: '3.10', tox: min }
     steps:
       - name: "Set up OpenModelica Compiler"

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = lint,py310,py311,py312,min
+envlist = lint,py310,py311,min
 skip_missing_interpreters = True
 
 [testenv]
@@ -24,4 +24,4 @@ skip_install = true
 commands =
     pre-commit run pyupgrade --all-files --show-diff-on-failure
     pre-commit run black --all-files --show-diff-on-failure
-    pre-commit run flake8 --all-files --show-diff-on-failure
+    pre-commit run flake8 --all-files --show-diff-on-failure