Merge pull request #98 from stackhpc/upstream/master-2025-11-17

Synchronise master with upstream

Author: priteau

zuul.d/bifrost-jobs.yaml

@@ -198,7 +198,7 @@
     run: playbooks/ci/upgrade.yaml
     timeout: 9600
     vars:
-      upgrade_from: stable/2025.1
+      upgrade_from: stable/2025.2
       skip_upgrade:
         - openstack/diskimage-builder