chore(flux): update image app-template 3.7.3 → 4.0.1 (clustertool) (#35455)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [app-template](https://redirect.github.com/bjw-s-labs/helm-charts) |
major | `3.7.3` -> `4.0.1` |

---

### Release Notes

<details>
<summary>bjw-s-labs/helm-charts (app-template)</summary>

###
[`v4.0.1`](https://redirect.github.com/bjw-s-labs/helm-charts/releases/tag/app-template-4.0.1)

[Compare
Source](https://redirect.github.com/bjw-s-labs/helm-charts/compare/app-template-4.0.0...app-template-4.0.1)

#### Changelog:

##### Changed

-   Upgraded the common library to v4.0.1
- [Upgrade
notes](https://bjw-s-labs.github.io/helm-charts/docs/app-template/upgrade-instructions/)
- [Detailed release
notes](https://redirect.github.com/bjw-s-labs/helm-charts/releases/tag/common-4.0.1)

###
[`v4.0.0`](https://redirect.github.com/bjw-s-labs/helm-charts/releases/tag/app-template-4.0.0)

[Compare
Source](https://redirect.github.com/bjw-s-labs/helm-charts/compare/app-template-3.7.3...app-template-4.0.0)

#### Changelog:

##### Changed

-   Upgraded the common library to v4.0.0
- [Upgrade
notes](https://bjw-s-labs.github.io/helm-charts/docs/app-template/upgrade-instructions/)
- [Detailed release
notes](https://redirect.github.com/bjw-s-labs/helm-charts/releases/tag/common-4.0.0)

</details>

---

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are satisfied.

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rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
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---

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---

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---------

Signed-off-by: Alfred Göppel <43101280+alfi0812@users.noreply.github.com>
Co-authored-by: Alfred Göppel <43101280+alfi0812@users.noreply.github.com>

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

@@ -10,7 +10,7 @@ spec:
   chart:
     spec:
       chart: app-template
-      version: 3.7.3
+      version: 4.0.1
       sourceRef:
         kind: HelmRepository
         name: bjw-s
@@ -27,6 +27,8 @@ spec:
     controllers:
       system-upgrade-controller:
         strategy: RollingUpdate
+        serviceAccount:
+          identifier: system-upgrade
         containers:
           app:
             image:
@@ -77,8 +79,8 @@ spec:
           operator: Exists
           effect: NoSchedule
     serviceAccount:
-      create: true
-      name: system-upgrade
+      system-upgrade:
+        forceRename: system-upgrade
     persistence:
       tmp:
         type: emptyDir