feat(grafana): update image ghcr.io/kiwigrid/k8s-sidecar 2.3.0 → 2.4.0 (#43817)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/kiwigrid/k8s-sidecar](https://redirect.github.com/kiwigrid/k8s-sidecar)
| minor | `e57a477` -> `b655c04` |

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### Release Notes

<details>
<summary>kiwigrid/k8s-sidecar (ghcr.io/kiwigrid/k8s-sidecar)</summary>

###
[`v2.4.0`](https://redirect.github.com/kiwigrid/k8s-sidecar/releases/tag/2.4.0)

[Compare
Source](https://redirect.github.com/kiwigrid/k8s-sidecar/compare/2.3.0...2.4.0)

#### 🚀 Features

- Ensure health server supports dual-stack
- PR:
[#&#8203;511](https://redirect.github.com/kiwigrid/k8s-sidecar/issues/511)

</details>

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charts/stable/grafana/Chart.yaml

@@ -42,5 +42,5 @@ sources:
   - https://grafana.com/
   - https://hub.docker.com/r/grafana/grafana
 type: application
-version: 21.4.3
+version: 21.5.0
 

charts/stable/grafana/values.yaml

@@ -5,7 +5,7 @@ image:
 
 sidecarImage:
   repository: ghcr.io/kiwigrid/k8s-sidecar
-  tag: 2.3.0@sha256:e57a47722113abcda1e5a1bf8a29807aa19ffa0ba7dfb295a758c929e1acb7e4
+  tag: 2.4.0@sha256:b655c047478f80cfd91823508a3d01790ad8c166e0007f32e5fd6f89589e6aee
 
 # Define extra dashboards to be provisioned
 # Supports 2 formats: