chore(deps): update valkey docker tag to v0.3.0 (#4479)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [valkey](https://github.com/valkey-io/valkey) | minor | `0.2.0` → `0.3.0` |

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### Configuration

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This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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Reviewed-on: #4479
Co-authored-by: Renovate Bot <renovate-bot@alexlebens.net>
Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>

clusters/cl01tl/helm/tubearchivist/Chart.lock

@@ -4,6 +4,6 @@ dependencies:
   version: 4.6.2
 - name: valkey
   repository: oci://harbor.alexlebens.net/helm-charts
-  version: 0.2.0
-digest: sha256:67158f43569e7d37781d5e9c253aab8b3e4b45fdbcb1ae067bbb2ca4f9e94de2
-generated: "2026-03-05T22:41:54.802885-06:00"
+  version: 0.3.0
+digest: sha256:225e9f9e9f4517b66b0dae405f4279c18a2518b65a4f4d8bc9c5bce5f60b86c5
+generated: "2026-03-06T06:35:39.765565705Z"