chore(deps): update container image ghcr.io/slskd/slskd to v0.21.3@a959127 by renovate (#24462)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [ghcr.io/slskd/slskd](https://slskd.org)
([source](https://togithub.com/slskd/slskd)) | patch | `0.21.2` ->
`0.21.3` |

---

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

---

### Release Notes

<details>
<summary>slskd/slskd (ghcr.io/slskd/slskd)</summary>

### [`v0.21.3`](https://togithub.com/slskd/slskd/releases/tag/0.21.3)

[Compare
Source](https://togithub.com/slskd/slskd/compare/0.21.2...0.21.3)

#### What's Changed

- Fix 32 bit integer overflow when computing byte limits by
[@&#8203;jpdillingham](https://togithub.com/jpdillingham) in
[https://github.com/slskd/slskd/pull/1176](https://togithub.com/slskd/slskd/pull/1176)

**Full Changelog**:
https://github.com/slskd/slskd/compare/0.21.2...0.21.3

</details>

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🔕 **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:eyJjcmVhdGVkSW5WZXIiOiIzOC44LjMiLCJ1cGRhdGVkSW5WZXIiOiIzOC44LjMiLCJ0YXJnZXRCcmFuY2giOiJtYXN0ZXIiLCJsYWJlbHMiOlsiYXV0b21lcmdlIiwidXBkYXRlL2RvY2tlci9nZW5lcmFsL25vbi1tYWpvciJdfQ==-->

charts/incubator/slskd/Chart.yaml

@@ -6,7 +6,7 @@ annotations:
   truecharts.org/min_helm_version: "3.11"
   truecharts.org/train: incubator
 apiVersion: v2
-appVersion: 0.21.2
+appVersion: 0.21.3
 dependencies:
   - name: common
     version: 24.1.5
@@ -34,4 +34,4 @@ sources:
   - https://github.com/ansible-slskd/slskd
   - https://github.com/truecharts/charts/tree/master/charts/incubator/slskd
 type: application
-version: 2.1.5
+version: 2.1.6

charts/incubator/slskd/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/slskd/slskd
   pullPolicy: IfNotPresent
-  tag: 0.21.2@sha256:c7ccb1045082976f68bfe2c6d0cdcb0927271f98b7722524abbcf5d2805ccc46
+  tag: 0.21.3@sha256:a959127f071aed277c39f2d53776dfb32d7d469d9291195b96a1bf5b2973fa2d
 
 securityContext:
   container: