chore(deps): update docker-image-updates to v6.56.0

Author: Renovate Bot

apps/base/ghostcms/release.yaml

@@ -18,7 +18,7 @@ spec:
     image:
       repository: ghcr.io/sredevopsorg/ghost-on-kubernetes
       pullPolicy: IfNotPresent
-      tag: v6.55.0
+      tag: v6.56.0
 
     replicaCount: 1