chore(drawio): update image docker.io/jgraph/drawio digest to c7c7f79 (#45083)

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 |
`c897135` → `c7c7f79` |

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charts/stable/drawio/Chart.yaml

@@ -40,5 +40,5 @@ sources:
   - https://github.com/trueforge-org/truecharts/tree/master/charts/stable/drawio
   - https://hub.docker.com/r/jgraph/drawio
 type: application
-version: 18.5.1
+version: 18.5.2
 

charts/stable/drawio/values.yaml

@@ -1,7 +1,7 @@
 # yaml-language-server: $schema=./values.schema.json
 image:
   repository: docker.io/jgraph/drawio
-  tag: 29.3.6@sha256:c8971352ceec3e76564369bbe76ebc7e66742f5f3b284c703f956bb78761cf3a
+  tag: 29.3.6@sha256:c7c7f7912c2eb5e747978ad4d62a7f21c129df457d2e9711d0abc235993fdfa2
   pullPolicy: IfNotPresent
 securityContext:
   container: