Test backup restore

Author: seunghun1ee

etc/kayobe/kolla-image-tags.yml

@@ -24,4 +24,5 @@ kolla_image_tags:
     rocky-9: 2025.1-rocky-9-20250905T151507
     ubuntu-noble: 2025.1-ubuntu-noble-20250905T151507
   mariadb:
-    ubuntu-noble: 2025.1-ubuntu-noble-20250909T105623 # test mariadb 11.4
+    # ubuntu-noble: 2025.1-ubuntu-noble-20250909T105623 # test mariadb 11.4
+    ubuntu-noble: 2025.1-ubuntu-noble-20250915T093034 # Test mariadb 11.4 with backup restore feature