chore(flux): update image volsync 3.7.2 → 3.8.0 (clustertool) (#39901)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [volsync](https://truecharts.org/charts/system/volsync)
([source](https://redirect.github.com/backube/helm-charts)) | minor |
`3.7.2` -> `3.8.0` |

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clustertool/embed/generic/kubernetes/system/volsync/app/helm-release.yaml

@@ -8,7 +8,7 @@ spec:
   chart:
     spec:
       chart: volsync
-      version: 3.7.2
+      version: 3.8.0
       sourceRef:
         kind: HelmRepository
         name: truecharts