chore(helm): update image docker.io/jgraph/drawio 26.2.2 → 26.2.8 (#34004)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [docker.io/jgraph/drawio](https://www.drawio.com)
([source](https://redirect.github.com/jgraph/docker-drawio)) | patch |
`b6919c5` -> `a6d1407` |

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### Release Notes

<details>
<summary>jgraph/docker-drawio (docker.io/jgraph/drawio)</summary>

###
[`v26.2.8`](https://redirect.github.com/jgraph/docker-drawio/compare/v26.2.7...v26.2.8)

[Compare
Source](https://redirect.github.com/jgraph/docker-drawio/compare/v26.2.7...v26.2.8)

###
[`v26.2.7`](https://redirect.github.com/jgraph/docker-drawio/compare/v26.2.2...v26.2.7)

[Compare
Source](https://redirect.github.com/jgraph/docker-drawio/compare/v26.2.2...v26.2.7)

</details>

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charts/stable/drawio/Chart.yaml

@@ -6,7 +6,7 @@ annotations:
   truecharts.org/min_helm_version: "3.11"
   truecharts.org/train: stable
 apiVersion: v2
-appVersion: 26.2.2
+appVersion: 26.2.8
 dependencies:
   - name: common
     version: 25.4.10
@@ -32,4 +32,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/drawio
   - https://hub.docker.com/r/jgraph/drawio
 type: application
-version: 14.4.0
+version: 14.4.1

charts/stable/drawio/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: docker.io/jgraph/drawio
-  tag: 26.2.2@sha256:b6919c502c2e68df06cf0f178b5a86a2a9f93360a80f8f75df7d11d3b3979ace
+  tag: 26.2.8@sha256:a6d1407c12d50b1dd18d7720b899190b2c7b2ccacbf7193463a6458e2e1b7bc2
   pullPolicy: IfNotPresent
 securityContext:
   container: