chore(helm): update image docker.io/jgraph/drawio digest to 506bd93 (#34410)

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)) | digest |
`27555f2` -> `506bd93` |

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to pin your dependencies.

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charts/stable/drawio/Chart.yaml

@@ -35,5 +35,5 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/drawio
   - https://hub.docker.com/r/jgraph/drawio
 type: application
-version: 14.4.2
+version: 14.4.3
 

charts/stable/drawio/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: docker.io/jgraph/drawio
-  tag: 26.2.8@sha256:27555f29b2c4d68fdfa9b96a8deb4f43612509a286dc7d5ee9c4b33125b27a88
+  tag: 26.2.8@sha256:506bd939e7ce0df172cc140f4b2508104c62c2001e3f8a44094921b670a1e0a0
   pullPolicy: IfNotPresent
 securityContext:
   container: