Fix CI workflow, run py39 with ubuntu 22.04

Author: UlrichB22

.github/workflows/ci.yml

@@ -39,11 +39,11 @@ jobs:
       matrix:
         include:
             - os: macos-latest
-              python-version: '3.9'
+              python-version: '3.10'
             - os: windows-latest
               python-version: '3.11'
-            - os: ubuntu-latest
-              python-version: '3.10'
+            - os: ubuntu-22.04
+              python-version: '3.9'
             - os: ubuntu-latest
               python-version: '3.12'