chore(chronograf): update image chronograf digest to 47c5576 (#46727)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| chronograf | digest | `81ae99d` → `47c5576` |

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charts/stable/chronograf/Chart.yaml

@@ -35,5 +35,5 @@ sources:
   - https://hub.docker.com/_/chronograf
   - https://www.influxdata.com/time-series-platform/chronograf/
 type: application
-version: 9.0.1
+version: 9.0.2
 

charts/stable/chronograf/values.yaml

@@ -2,7 +2,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: chronograf
-  tag: latest@sha256:81ae99d4b4545873d889ce321fb22f5953f31c745eefb5f3537714d63fbd91e5
+  tag: latest@sha256:47c5576b66fff1426392ca99f67a29b4e7caecc6daa45cfd7a04e3c901ecd499
 persistence:
   chronograf:
     enabled: true