chore(deps): update grafana helm chart (#998)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [grafana](https://grafana.com)
([source](https://redirect.github.com/grafana/helm-charts)) | minor |
`8.5.12` -> `8.6.0` |
|
[registry1.dso.mil/ironbank/redhat/ubi/ubi9-minimal](https://catalog.redhat.com/software/container-stacks/detail/5ec53f50ef29fd35586d9a56)
([source](https://repo1.dso.mil/dsop/redhat/ubi/9.x/ubi9-minimal)) |
minor | `9.4` -> `9.5` |

---

### Release Notes

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

###
[`v8.6.0`](https://redirect.github.com/grafana/helm-charts/releases/tag/grafana-8.6.0)

[Compare
Source](https://redirect.github.com/grafana/helm-charts/compare/grafana-8.5.12...grafana-8.6.0)

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

#### What's Changed

- \[grafana] Implement Gateway API by
[@&#8203;jkroepke](https://redirect.github.com/jkroepke) in
[https://github.com/grafana/helm-charts/pull/3400](https://redirect.github.com/grafana/helm-charts/pull/3400)

**Full Changelog**:
grafana/helm-charts@tempo-vulture-0.7.0...grafana-8.6.0

</details>

---

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---

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src/grafana/common/zarf.yaml

@@ -17,7 +17,7 @@ components:
         localPath: ../chart
       - name: grafana
         url: https://grafana.github.io/helm-charts/
-        version: 8.5.12
+        version: 8.6.0
         namespace: grafana
         valuesFiles:
           - ../values/values.yaml

src/grafana/values/registry1-values.yaml

@@ -10,12 +10,12 @@ initChownData:
   image:
     registry: registry1.dso.mil
     repository: ironbank/redhat/ubi/ubi9-minimal
-    tag: 9.4
+    tag: 9.5
 
 downloadDashboardsImage:
   registry: registry1.dso.mil
   repository: ironbank/redhat/ubi/ubi9-minimal
-  tag: 9.4
+  tag: 9.5
 
 sidecar:
   image:

src/grafana/zarf.yaml

@@ -41,7 +41,7 @@ components:
           - values/registry1-values.yaml
     images:
       - registry1.dso.mil/ironbank/opensource/grafana/grafana:11.3.0
-      - registry1.dso.mil/ironbank/redhat/ubi/ubi9-minimal:9.4
+      - registry1.dso.mil/ironbank/redhat/ubi/ubi9-minimal:9.5
       - registry1.dso.mil/ironbank/kiwigrid/k8s-sidecar:1.28.0
 
   - name: grafana