chore(deps): update container image sourcegraph/server to v5.6.0@3398dea by renovate (#24886)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [sourcegraph/server](https://sourcegraph.com/)
([source](https://togithub.com/sourcegraph/sourcegraph)) | minor |
`5.5.4710` -> `5.6.0` |

---

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

---

### Release Notes

<details>
<summary>sourcegraph/sourcegraph (sourcegraph/server)</summary>

###
[`v5.6.0`](https://togithub.com/sourcegraph/sourcegraph/releases/tag/v5.6.0):
Sourcegraph 5.6.0

Sourcegraph 5.6.0 is now available!

*Note: we've updated our versioning conventions. Please see our
[releases](https://handbook.sourcegraph.com/departments/engineering/dev/process/releases/#sourcegraph-releases)
page for more information or reach out at
[help.sourcegraph.com](https://help.sourcegraph.com).*

-   [Changelog](https://sourcegraph.com/docs/CHANGELOG#560)
-   [Update](https://sourcegraph.com/docs/admin/updates)
-   [Release post](https://sourcegraph.com/blog/release/-2024)

</details>

---

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rebase/retry checkbox.

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

This PR has been generated by [Renovate
Bot](https://togithub.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOC4yMS4zIiwidXBkYXRlZEluVmVyIjoiMzguMjEuMyIsInRhcmdldEJyYW5jaCI6Im1hc3RlciIsImxhYmVscyI6WyJhdXRvbWVyZ2UiLCJ1cGRhdGUvZG9ja2VyL2dlbmVyYWwvbm9uLW1ham9yIl19-->

charts/stable/sourcegraph/Chart.yaml

@@ -6,7 +6,7 @@ annotations:
   truecharts.org/min_helm_version: "3.11"
   truecharts.org/train: stable
 apiVersion: v2
-appVersion: 5.5.4710
+appVersion: 5.6.0
 dependencies:
   - name: common
     version: 24.1.5
@@ -36,4 +36,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/sourcegraph
   - https://hub.docker.com/r/sourcegraph/server
 type: application
-version: 7.2.4
+version: 7.3.0

charts/stable/sourcegraph/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: sourcegraph/server
-  tag: 5.5.4710@sha256:e8586b077fb92968ecb444901ff6fd909764cfe8d750e9e812142630c49ef989
+  tag: 5.6.0@sha256:3398dea62d0d63d129ba1902c835bad79d6142e9c5c5ef7c7a0599031497ce50
 persistence:
   applicationdatastoragepath:
     enabled: true