Add first tags for Caracal

Author: Alex-Welsh

etc/kayobe/kolla-image-tags.yml

@@ -4,5 +4,5 @@
 # where the key is the OS distro and the value is the tag to deploy.
 kolla_image_tags:
   openstack:
-    rocky-9: 2024.1-rocky-9-placeholder
-    ubuntu-jammy: 2024.1-ubuntu-jammy-placeholder
+    rocky-9: 2024.1-rocky-9-20240725T165045
+    ubuntu-jammy: 2024.1-ubuntu-jammy-20240725T165045