Bump grafana image to remove angular plugins

Author: technowhizz

etc/kayobe/kolla-image-tags.yml

@@ -6,3 +6,6 @@ kolla_image_tags:
   openstack:
     rocky-9: 2024.1-rocky-9-20241218T141751
     ubuntu-jammy: 2024.1-ubuntu-jammy-20241218T141809
+  grafana:
+    rocky-9: 2024.1-rocky-9-20250120T160359
+    ubuntu-jammy: 2024.1-ubuntu-jammy-20250120T160359