chore(deps): update container image m1k1o/neko to xfce@71ea720 by renovate (#16516)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| m1k1o/neko | digest | `e154770` -> `71ea720` |

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### Configuration

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This PR has been generated by [Renovate
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charts/stable/neko/values.yaml

@@ -90,4 +90,4 @@ workload:
 xfceImage:
   pullPolicy: IfNotPresent
   repository: m1k1o/neko
-  tag: xfce@sha256:e1547707e8424984a6e8429469ea230dab2b54d686922c7a9b3112534bc4b577
+  tag: xfce@sha256:71ea720fb1e341fa9652c6ccb0fad0c8a7a9d021da919244d5586160994e2c17