CI: Run on Ubuntu 24 instead of 22

[why]
We want to use this library on Ubuntu 20 and 24, so it is unclear why we
test it in the CI on 20 and 22 instead.

Signed-off-by: Fini Jastrow <ulf.fini.jastrow@desy.de>

Author: Finii

.github/workflows/build_and_run_tests.yml

@@ -28,7 +28,7 @@ jobs:
     name: Build and Tests
     strategy:
       matrix:
-        os: [ ubuntu-20.04, ubuntu-22.04 ]
+        os: [ ubuntu-20.04, ubuntu-24.04 ]
     runs-on: ${{ matrix.os }}
     steps:
     - run: |