fix(longhorn): Fix wrong networkpolicy name

This patch fixes the broken kustomize based on the allow-from-ingress
shared network policy document.

infrastructure/longhorn/networkpolicy.yaml

 apiVersion: networking.k8s.io/v1
 kind: NetworkPolicy
 metadata:
-  name: allow-ingress
+  name: allow-from-ingress
 spec:
   podSelector:
     matchLabels: