chore(deps): update container image docker.io/nodered/node-red to 4.0.2@8c8ff8b by renovate (#25033)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[docker.io/nodered/node-red](https://togithub.com/node-red/node-red-docker)
| digest | `fa8fbcf` -> `8c8ff8b` |

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

---

### Configuration

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

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR has been generated by [Renovate
Bot](https://togithub.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOC4yNS4yIiwidXBkYXRlZEluVmVyIjoiMzguMjUuMiIsInRhcmdldEJyYW5jaCI6Im1hc3RlciIsImxhYmVscyI6WyJhdXRvbWVyZ2UiLCJ1cGRhdGUvZG9ja2VyL2dlbmVyYWwvbm9uLW1ham9yIl19-->

charts/stable/node-red/Chart.yaml

@@ -33,4 +33,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/node-red
   - https://hub.docker.com/r/nodered/node-red
 type: application
-version: 21.0.3
+version: 21.0.4

charts/stable/node-red/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: docker.io/nodered/node-red
   pullPolicy: IfNotPresent
-  tag: 4.0.2@sha256:fa8fbcf2ddc1e1b2cdea3c1e6d027413f583956fc499289c432650a3ea03c10b
+  tag: 4.0.2@sha256:8c8ff8b1ade974c6272466dd87b3ca487d10d1bc20725df62e2efee2d7ff3951
 service:
   main:
     ports: