chore(deps): update container image chronograf to latest@82e596f by renovate (#21260)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| chronograf | digest | `8c2b753` -> `82e596f` |

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

@@ -34,4 +34,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/chronograf
   - https://hub.docker.com/_/chronograf
 type: application
-version: 5.8.15
+version: 5.8.16

charts/stable/chronograf/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: chronograf
-  tag: latest@sha256:8c2b7539b383b52c8f77f7acf3876edcf932651c5fe584ff5d4df93cb9ee1db5
+  tag: latest@sha256:82e596f06d1a343692717a6be144a19ef4cba87144da6f32835c7892127a7e08
 persistence:
   chronograf:
     enabled: true