Bump tag for new grafana images

Author: technowhizz

etc/kayobe/kolla-image-tags.yml

@@ -45,3 +45,6 @@ kolla_image_tags:
   letsencrypt:
     rocky-9: 2024.1-rocky-9-20241206T090120
     ubuntu-jammy: 2024.1-ubuntu-jammy-20241206T090120
+  grafana:
+    rocky-9: 2024.1-rocky-9-20241128T123708
+    ubuntu-jammy: 2024.1-ubuntu-jammy-20241128T123708