fix(helm): update chart grafana to 7.0.19 (#3856)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [grafana](https://grafana.com)
([source](https://togithub.com/grafana/helm-charts)) | patch | `7.0.18`
-> `7.0.19` |

---

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

---

### Release Notes

<details>
<summary>grafana/helm-charts (grafana)</summary>

###
[`v7.0.19`](https://togithub.com/grafana/helm-charts/releases/tag/grafana-7.0.19)

[Compare
Source](https://togithub.com/grafana/helm-charts/compare/grafana-7.0.18...grafana-7.0.19)

The leading tool for querying and visualizing time series and metrics.

#### What's Changed

- \[grafana] Updates comments in values.yaml to align
extraVolumes.hostP… by [@&#8203;mheers](https://togithub.com/mheers) in
[https://github.com/grafana/helm-charts/pull/2856](https://togithub.com/grafana/helm-charts/pull/2856)

#### New Contributors

- [@&#8203;mheers](https://togithub.com/mheers) made their first
contribution in
[https://github.com/grafana/helm-charts/pull/2856](https://togithub.com/grafana/helm-charts/pull/2856)

**Full Changelog**:
grafana/helm-charts@grafana-7.0.18...grafana-7.0.19

</details>

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kubernetes/kyak/apps/monitoring/grafana/app/helmrelease.yaml

@@ -9,7 +9,7 @@ spec:
   chart:
     spec:
       chart: grafana
-      version: 7.0.18
+      version: 7.0.19
       sourceRef:
         kind: HelmRepository
         name: grafana