github/workflows: Use ubuntu 24.04 runner and Fedora 41

Author: travier

.github/workflows/rpm.yml

@@ -18,9 +18,9 @@ concurrency:
 jobs:
   test-rpm-build:
     name: "Build (Fedora)"
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     container:
-      image: registry.fedoraproject.org/fedora:latest
+      image: registry.fedoraproject.org/fedora:41
       options: --privileged
     steps:
       # need to install git before checkout to get a git repo