chore(drawio): update image docker.io/jgraph/drawio digest to 8b2e768 (#49978)

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 |
`da2abf2` → `8b2e768` |

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charts/stable/drawio/Chart.yaml

@@ -35,5 +35,5 @@ sources:
   - https://github.com/trueforge-org/truecharts/tree/master/charts/stable/drawio
   - https://hub.docker.com/r/jgraph/drawio
 type: application
-version: 20.5.0
+version: 20.5.1
 

charts/stable/drawio/values.yaml

@@ -1,7 +1,7 @@
 # yaml-language-server: $schema=./values.schema.json
 image:
   repository: docker.io/jgraph/drawio
-  tag: 30.2.7@sha256:da2abf2324412dd306152db1e266b4e12af08d6809c92cadbddfeab454748c64
+  tag: 30.2.7@sha256:8b2e768882053c051a46d7b1a6c4594ba2c85d16083c19c448e010cd4df80784
   pullPolicy: IfNotPresent
 securityContext:
   container: