chore(helm): update image docker.io/nodered/node-red digest to 7a3e18f (#32189)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[docker.io/nodered/node-red](https://redirect.github.com/node-red/node-red-docker)
| digest | `74e4078` -> `7a3e18f` |

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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: 21.4.3
+version: 21.4.4

charts/stable/node-red/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: docker.io/nodered/node-red
   pullPolicy: IfNotPresent
-  tag: 4.0.9@sha256:74e40788e10bf5f58d98596645457b34e3c401b1bae38ba4e0efd295b50d464d
+  tag: 4.0.9@sha256:7a3e18f29578feb271bb8daab4379e4ebd355b87ea64b699ce74e6ff49d907aa
 service:
   main:
     ports: