chore(deps): update valkey docker tag to v0.4.0 (#4572)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [valkey](https://github.com/valkey-io/valkey) | minor | `0.3.0` → `0.4.0` |

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### Configuration

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Reviewed-on: #4572
Co-authored-by: Renovate Bot <renovate-bot@alexlebens.net>
Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>

clusters/cl01tl/helm/gitea/Chart.yaml

@@ -44,11 +44,11 @@ dependencies:
     repository: oci://harbor.alexlebens.net/helm-charts
   - name: valkey
     alias: valkey-gitea
-    version: 0.3.0
+    version: 0.4.0
     repository: oci://harbor.alexlebens.net/helm-charts
   - name: valkey
     alias: valkey-renovate
-    version: 0.3.0
+    version: 0.4.0
     repository: oci://harbor.alexlebens.net/helm-charts
   - name: volsync-target
     alias: volsync-target-storage