fix(helm): update rook-ceph group ( v1.15.5 → v1.15.6 ) (patch) (#5890)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [rook-ceph](https://redirect.github.com/rook/rook) | patch | `v1.15.5`
-> `v1.15.6` |
| [rook-ceph-cluster](https://redirect.github.com/rook/rook) | patch |
`v1.15.5` -> `v1.15.6` |

---

### Release Notes

<details>
<summary>rook/rook (rook-ceph)</summary>

###
[`v1.15.6`](https://redirect.github.com/rook/rook/compare/v1.15.5...v1.15.6)

[Compare
Source](https://redirect.github.com/rook/rook/compare/v1.15.5...v1.15.6)

</details>

---

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are satisfied.

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---

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---

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kubernetes/kyak/apps/rook-ceph/rook-ceph/app/helmrelease.yaml

@@ -10,7 +10,7 @@ spec:
   chart:
     spec:
       chart: rook-ceph
-      version: v1.15.5
+      version: v1.15.6
       sourceRef:
         kind: HelmRepository
         name: rook-ceph

kubernetes/kyak/apps/rook-ceph/rook-ceph/cluster/helmrelease.yaml

@@ -10,7 +10,7 @@ spec:
   chart:
     spec:
       chart: rook-ceph-cluster
-      version: v1.15.5
+      version: v1.15.6
       sourceRef:
         kind: HelmRepository
         name: rook-ceph