chore(flux): update image docker.io/rancher/system-upgrade-controller v0.16.0 → v0.16.2 (clustertool) (#38291)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[docker.io/rancher/system-upgrade-controller](https://redirect.github.com/rancher/system-upgrade-controller)
| patch | `v0.16.0` -> `v0.16.2` |

---

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

---

### Release Notes

<details>
<summary>rancher/system-upgrade-controller
(docker.io/rancher/system-upgrade-controller)</summary>

###
[`v0.16.2`](https://redirect.github.com/rancher/system-upgrade-controller/releases/tag/v0.16.2)

[Compare
Source](https://redirect.github.com/rancher/system-upgrade-controller/compare/v0.16.0...v0.16.2)

#### What's Changed

- Add support for setting secret mount mode by
[@&#8203;solidDoWant](https://redirect.github.com/solidDoWant) in
[https://github.com/rancher/system-upgrade-controller/pull/374](https://redirect.github.com/rancher/system-upgrade-controller/pull/374)

#### New Contributors

- [@&#8203;solidDoWant](https://redirect.github.com/solidDoWant) made
their first contribution in
[https://github.com/rancher/system-upgrade-controller/pull/374](https://redirect.github.com/rancher/system-upgrade-controller/pull/374)

**Full Changelog**:
https://github.com/rancher/system-upgrade-controller/compare/v0.16.1...v0.16.2

</details>

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

@@ -33,7 +33,7 @@ spec:
           app:
             image:
               repository: docker.io/rancher/system-upgrade-controller
-              tag: v0.16.0@sha256:1d874e5034a565d29086db8f936c968afcbed1123c83fa880d62de382b89b501
+              tag: v0.16.2@sha256:ae933d9d81e9c42e316989a0ce7b1fb0dfe93afe5469631b8f384141b89b106a
             env:
               SYSTEM_UPGRADE_CONTROLLER_DEBUG: false
               SYSTEM_UPGRADE_CONTROLLER_THREADS: 2