fix(helm): update istiod ( 1.20.1 → 1.20.2 ) (#3972)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [istiod](https://togithub.com/istio/istio) | patch | `1.20.1` ->
`1.20.2` |

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

---

### Release Notes

<details>
<summary>istio/istio (istiod)</summary>

### [`v1.20.2`](https://togithub.com/istio/istio/releases/tag/1.20.2):
Istio 1.20.2

[Compare
Source](https://togithub.com/istio/istio/compare/1.20.1...1.20.2)

[Artifacts](http://gcsweb.istio.io/gcs/istio-release/releases/1.20.2/)
[Release
Notes](https://istio.io/news/releases/1.20.x/announcing-1.20.2/)

</details>

---

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are satisfied.

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kubernetes/kyak/apps/istio-system/istiod/app/helmrelease.yaml

@@ -10,7 +10,7 @@ spec:
   chart:
     spec:
       chart: istiod
-      version: 1.20.1
+      version: 1.20.2
       sourceRef:
         kind: HelmRepository
         name: istio