Bump nodered/node-red from 4.0.7-20 to 4.0.8-20 in /nodered (#506)

Bumps nodered/node-red from 4.0.7-20 to 4.0.8-20.

---
updated-dependencies:
- dependency-name: nodered/node-red
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

nodered/nodered.yaml

@@ -17,7 +17,7 @@ spec:
     spec:
       hostNetwork: true
       containers:
-        - image: nodered/node-red:4.0.7-20
+        - image: nodered/node-red:4.0.8-20
           name: nodered
           volumeMounts:
             - name: nodered-volume