chore(helm): update image quay.io/netdata/netdata v2.6.2 → v2.6.3 (#38731)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [quay.io/netdata/netdata](https://netdata.cloud)
([source](https://redirect.github.com/netdata/netdata)) | patch |
`299cffc` -> `6214401` |

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### Release Notes

<details>
<summary>netdata/netdata (quay.io/netdata/netdata)</summary>

###
[`v2.6.3`](https://redirect.github.com/netdata/netdata/blob/HEAD/CHANGELOG.md#v263-2025-08-22)

[Compare
Source](https://redirect.github.com/netdata/netdata/compare/v2.6.2...v2.6.3)

[Full
Changelog](https://redirect.github.com/netdata/netdata/compare/v2.6.2...v2.6.3)

</details>

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charts/stable/netdata/Chart.yaml

@@ -9,7 +9,7 @@ annotations:
   truecharts.org/min_helm_version: "3.14"
   truecharts.org/train: stable
 apiVersion: v2
-appVersion: 2.6.2
+appVersion: 2.6.3
 dependencies:
   - name: common
     version: 28.16.2
@@ -36,5 +36,5 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/netdata
   - https://quay.io/netdata/netdata
 type: application
-version: 13.4.2
+version: 13.4.3
 

charts/stable/netdata/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: quay.io/netdata/netdata
-  tag: v2.6.2@sha256:299cffc727e03b1d8dc85e7fbd84ee30705b4bcf2b1e13c668e8e274128c0156
+  tag: v2.6.3@sha256:6214401b53e969b8e480d15c66115efd49499489341334dfba721ea96fe31bfe
   pullPolicy: IfNotPresent
 # -- The service account the pods will use to interact with the Kubernetes API
 serviceAccount: