workflows: Move to Fedora 41

Since d5bdd7c we on longer publish Fedora 40 builds.

Author: jelly

.github/workflows/trigger-anaconda.yml

@@ -19,7 +19,7 @@ jobs:
     permissions:
       contents: read
       statuses: write
-    container: registry.fedoraproject.org/fedora:40
+    container: registry.fedoraproject.org/fedora:41
     # this polls for a COPR build, which can take long
     timeout-minutes: 120