🌱 Bump sigs.k8s.io/structured-merge-diff/v6 from 6.3.2 to 6.4.0 in the k8s-dependencies group

🌱 Bump sigs.k8s.io/structured-merge-diff/v6 from 6.3.2 to 6.4.0 in the k8s-dependencies group #9429