chore(helm): update image docker.io/accetto/ubuntu-vnc-xfce-opengl-g3 digest to 841bab0 (#30996)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/accetto/ubuntu-vnc-xfce-opengl-g3 | digest | `9e880c9` ->
`841bab0` |

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charts/stable/opengl-desktop-g3/Chart.yaml

@@ -36,4 +36,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/opengl-desktop-g3
   - https://hub.docker.com/r/accetto/ubuntu-vnc-xfce-opengl-g3
 type: application
-version: 7.4.0
+version: 7.4.1

charts/stable/opengl-desktop-g3/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: docker.io/accetto/ubuntu-vnc-xfce-opengl-g3
-  tag: latest@sha256:9e880c9ead769e21f74e24c0bd6ff8b76afb2cc73b70014ccbcc133b8276900e
+  tag: latest@sha256:841bab01bd471f25f557e27bb6007bbd15c5f9242985f9972f1a570f24f23bc0
 persistence:
   internalshare:
     enabled: true