Update original images with new container

Author: github-actions[bot]

.original-images.json

@@ -6,6 +6,7 @@
   "docker.io/openstackhelm/neutron:2024.1-ubuntu_jammy",
   "ghcr.io/rackerlabs/genestack/cinder-volume-rxt:2024.1-ubuntu_jammy-1731085441",
   "ghcr.io/rackerlabs/genestack/heat:2024.1-ubuntu_jammy",
+  "ghcr.io/rackerlabs/genestack/horizon:2024.1-ubuntu_jammy-1738626972",
   "ghcr.io/rackerlabs/genestack/nova-efi:2024.1-ubuntu_jammy-1723129048",
   "ghcr.io/rackerlabs/genestack/nova-efi:2024.1-ubuntu_jammy-1737928811",
   "ghcr.io/rackerlabs/genestack/octavia-ovn:2024.1-ubuntu_jammy-1737651745",