chore(flux): update image kubernetes-dashboard 1.14.2 → 1.15.0 (clustertool) (#34496)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[kubernetes-dashboard](https://truecharts.org/charts/premium/kubernetes-dashboard)
([source](https://redirect.github.com/kubernetes-dashboard/kubernetes-dashboard))
| minor | `1.14.2` -> `1.15.0` |

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clustertool/embed/generic/kubernetes/apps/kubernetes-dashboard/app/helm-release.yaml

@@ -9,7 +9,7 @@ spec:
   chart:
     spec:
       chart: kubernetes-dashboard
-      version: 1.14.2
+      version: 1.15.0
       sourceRef:
         kind: HelmRepository
         name: truecharts