chore(deps): update container image chronograf to latest@663e3b8 by renovate (#21396)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| chronograf | digest | `82e596f` -> `663e3b8` |

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This PR has been generated by [Renovate
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charts/stable/chronograf/Chart.yaml

@@ -23,7 +23,7 @@ icon: https://truecharts.org/img/hotlink-ok/chart-icons/chronograf.webp
 keywords:
   - chronograf
   - Tools-System
-kubeVersion: ">=1.24.0-0"
+kubeVersion: '>=1.24.0-0'
 maintainers:
   - name: TrueCharts
     email: info@truecharts.org
@@ -34,4 +34,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/chronograf
   - https://hub.docker.com/_/chronograf
 type: application
-version: 5.8.17
+version: 5.8.18

charts/stable/chronograf/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: chronograf
-  tag: latest@sha256:82e596f06d1a343692717a6be144a19ef4cba87144da6f32835c7892127a7e08
+  tag: latest@sha256:663e3b8269564279e4dccc332b0e95d4958056f0ac9f67a591b9faa8618a40d6
 persistence:
   chronograf:
     enabled: true