Update Helm release meilisearch to v0.21.0 (#3215)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [meilisearch](https://github.com/meilisearch/meilisearch-kubernetes/tree/main/charts/meilisearch) ([source](https://github.com/meilisearch/meilisearch-kubernetes)) | minor | `0.20.0` → `0.21.0` |

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> ⚠️ **Warning**
>
> Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

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### Release Notes

<details>
<summary>meilisearch/meilisearch-kubernetes (meilisearch)</summary>

### [`v0.21.0`](https://github.com/meilisearch/meilisearch-kubernetes/releases/tag/meilisearch-0.21.0)

[Compare Source](https://github.com/meilisearch/meilisearch-kubernetes/compare/meilisearch-0.20.0...meilisearch-0.21.0)

A Helm chart for the Meilisearch search engine

</details>

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### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

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

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 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

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This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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Reviewed-on: #3215
Co-authored-by: Renovate Bot <renovate-bot@alexlebens.net>
Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>

clusters/cl01tl/helm/karakeep/Chart.lock

@@ -4,12 +4,12 @@ dependencies:
   version: 4.6.0
 - name: meilisearch
   repository: https://meilisearch.github.io/meilisearch-kubernetes
-  version: 0.20.0
+  version: 0.21.0
 - name: cloudflared
   repository: oci://harbor.alexlebens.net/helm-charts
   version: 2.1.6
 - name: volsync-target
   repository: oci://harbor.alexlebens.net/helm-charts
   version: 0.7.0
-digest: sha256:d8b5b42608537e20f34d109bc624c68e27879488f8ef78df2681a70808bfba87
-generated: "2026-01-08T23:03:25.51925384Z"
+digest: sha256:f0d35f4808f349171a7092894fe5ccf9a5fd513a1ff84050c7ebaae893e5d506
+generated: "2026-01-15T22:13:49.147677077Z"