Update nodered/node-red Docker tag to v4

Author: renovate[bot]

cluster/apps/home-automation/node-red/helmrelease.yaml

@@ -22,7 +22,7 @@ spec:
       backup.velero.io/backup-volumes: data
     image:
       repository: nodered/node-red
-      tag: 3.1.15
+      tag: 4.0.7
     env:
       TZ: Australia/Sydney
     persistence: