Merge branch 'build/molecule-ubuntu2404' of github.com:Checkmk/ansible-collection-checkmk.general into build/molecule-ubuntu2404

Author: robin-checkmk

roles/server/defaults/main.yml

@@ -23,6 +23,7 @@ checkmk_server_server_stable_os:
   - Ubuntu-18
   - Ubuntu-20
   - Ubuntu-22
+  - Ubuntu-24
 
 checkmk_server_version: "2.3.0b6"
 checkmk_server_edition: cre