Update nodered/node-red Docker tag to v3

This MR contains the following updates:

Package	Update	Change
nodered/node-red	major	2.2.3 -> 3.0.2

Release Notes retrieval for this MR were skipped because no github.com credentials were available. If you are self-hosted, please see this instruction.

---

Configuration

Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

Ignore: Close this MR and you won't be reminded about this update again.

---

• If you want to rebase/retry this MR, check this box

---

This MR has been generated by Renovate Bot.

intern/docker_nodered/templates/docker-compose.yml

@@ -9,7 +9,7 @@ version: "3"
 services:
 
   app:
-    image: nodered/node-red:2.2.3
+    image: nodered/node-red:3.0.2
     restart: always
     volumes:
       - "{{ basedir }}/data:/data"