Bump tag for new grafana images

Author: technowhizz

etc/kayobe/kolla-image-tags.yml

@@ -37,3 +37,6 @@ kolla_image_tags:
   ironic_neutron_agent:
     rocky-9: 2024.1-rocky-9-20241023T143407
     ubuntu-jammy: 2024.1-ubuntu-jammy-20241023T143407
+  grafana:
+    rocky-9: 2024.1-rocky-9-20241128T123708
+    ubuntu-jammy: 2024.1-ubuntu-jammy-20241128T123708