chore(helm): update image chronograf digest to b496312 (#38687)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| chronograf | digest | `dee721a` -> `b496312` |

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charts/stable/chronograf/Chart.yaml

@@ -36,5 +36,5 @@ sources:
   - https://hub.docker.com/_/chronograf
   - https://www.influxdata.com/time-series-platform/chronograf/
 type: application
-version: 8.3.3
+version: 8.3.4
 

charts/stable/chronograf/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: chronograf
-  tag: latest@sha256:dee721af412265a17d36f6a2be6d9c6af08a5bc08f589fe51ad332f9c12f9ea1
+  tag: latest@sha256:b496312dcbd5ed38a3f1b8019f4692d2286df3255f77c22a0749139f8c1b9f4a
 persistence:
   chronograf:
     enabled: true