chore(flux): update image docker.io/rancher/system-upgrade-controller v0.14.2 → v0.15.2 (clustertool) (#33925)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[docker.io/rancher/system-upgrade-controller](https://redirect.github.com/rancher/system-upgrade-controller)
| minor | `v0.14.2` -> `v0.15.2` |

---

> [!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>

###
[`v0.15.2`](https://redirect.github.com/rancher/system-upgrade-controller/releases/tag/v0.15.2)

[Compare
Source](https://redirect.github.com/rancher/system-upgrade-controller/compare/v0.15.1...v0.15.2)

#### What's Changed

- support k8s 1.32.2 by
[@&#8203;jiaqiluo](https://redirect.github.com/jiaqiluo) in
[https://github.com/rancher/system-upgrade-controller/pull/352](https://redirect.github.com/rancher/system-upgrade-controller/pull/352)

**Full Changelog**:
https://github.com/rancher/system-upgrade-controller/compare/v0.15.1...v0.15.2

###
[`v0.15.1`](https://redirect.github.com/rancher/system-upgrade-controller/releases/tag/v0.15.1)

[Compare
Source](https://redirect.github.com/rancher/system-upgrade-controller/compare/v0.15.0...v0.15.1)

#### What's Changed

- feat: add `org.opencontainers.image.source` docker label by
[@&#8203;viceice](https://redirect.github.com/viceice) in
[https://github.com/rancher/system-upgrade-controller/pull/350](https://redirect.github.com/rancher/system-upgrade-controller/pull/350)
- Make IgnoreUpdate secrets optional by
[@&#8203;brandond](https://redirect.github.com/brandond) in
[https://github.com/rancher/system-upgrade-controller/pull/351](https://redirect.github.com/rancher/system-upgrade-controller/pull/351)

#### New Contributors

- [@&#8203;viceice](https://redirect.github.com/viceice) made their
first contribution in
[https://github.com/rancher/system-upgrade-controller/pull/350](https://redirect.github.com/rancher/system-upgrade-controller/pull/350)

**Full Changelog**:
https://github.com/rancher/system-upgrade-controller/compare/v0.15.0...v0.15.1

###
[`v0.15.0`](https://redirect.github.com/rancher/system-upgrade-controller/releases/tag/v0.15.0)

[Compare
Source](https://redirect.github.com/rancher/system-upgrade-controller/compare/v0.14.2...v0.15.0)

#### What's Changed

- Multiple enhancements - leader election, events, time window, delay
after upgrading by
[@&#8203;brandond](https://redirect.github.com/brandond) in
[https://github.com/rancher/system-upgrade-controller/pull/335](https://redirect.github.com/rancher/system-upgrade-controller/pull/335)
- Include tz files in Docker image by
[@&#8203;brandond](https://redirect.github.com/brandond) in
[https://github.com/rancher/system-upgrade-controller/pull/343](https://redirect.github.com/rancher/system-upgrade-controller/pull/343)

**Full Changelog**:
https://github.com/rancher/system-upgrade-controller/compare/v0.14.2...v0.15.0

</details>

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

@@ -31,7 +31,7 @@ spec:
           app:
             image:
               repository: docker.io/rancher/system-upgrade-controller
-              tag: v0.14.2@sha256:3cdbfdd90f814702cefb832fc4bdb09ea93865a4d06c6bafd019d1dc6a9f34c9
+              tag: v0.15.2@sha256:3e899833afcea9a8788d384ce976df9a05be84636fe5c01ec2307b5bd8fe9810
             env:
               SYSTEM_UPGRADE_CONTROLLER_DEBUG: false
               SYSTEM_UPGRADE_CONTROLLER_THREADS: 2