chore(flux): update image blocky 16.13.15 → 16.13.16 (clustertool) (#34565)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [blocky](https://truecharts.org/charts/premium/blocky)
([source](https://0xerr0r.github.io/blocky/)) | patch | `16.13.15` ->
`16.13.16` |

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clustertool/embed/generic/kubernetes/core/blocky/app/helm-release.yaml

@@ -10,7 +10,7 @@ spec:
   chart:
     spec:
       chart: blocky
-      version: 16.13.15
+      version: 16.13.16
       sourceRef:
         kind: HelmRepository
         name: truecharts