chore(deps): update helm release openstack-helm/horizon to v2025.1.8+12458c92d

Author: renovate[bot]

apps/openstack/horizon.yaml

@@ -1,4 +1,4 @@
 ---
 component: horizon
 repoURL: https://tarballs.opendev.org/openstack/openstack-helm
-chartVersion: 2025.1.5+5742204b6
+chartVersion: 2025.1.8+12458c92d