CI: run most stuff on Ubuntu 24.04

Author: ThomasWaldmann

.github/workflows/main.yml

@@ -17,26 +17,27 @@ jobs:
         flake8
   test:
     needs: lint
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
         include:
             - os: ubuntu-22.04
               python-version: "3.9"
               toxenv: py39
-            - os: ubuntu-22.04
+            - os: ubuntu-24.04
               python-version: "3.10"
               toxenv: py310
-            - os: ubuntu-22.04
+            - os: ubuntu-24.04
               python-version: "3.11"
               toxenv: py311
-            - os: ubuntu-22.04
+            - os: ubuntu-24.04
               python-version: "3.12"
               toxenv: py312
-            - os: ubuntu-22.04
+            - os: ubuntu-24.04
               python-version: "3.13"
               toxenv: py313
+
     env:
       TOXENV: ${{ matrix.toxenv }}
     steps: