chore(flux): update image clusterissuer 9.6.7 → 10.0.0 (clustertool) (#37008)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [clusterissuer](https://truecharts.org/charts/premium/clusterissuer)
([source](https://cert-manager.io/)) | major | `9.6.7` -> `10.0.0` |

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

@@ -10,7 +10,7 @@ spec:
   chart:
     spec:
       chart: clusterissuer
-      version: 9.6.7
+      version: 10.0.0
       sourceRef:
         kind: HelmRepository
         name: truecharts