chore(deps): update container image accetto/ubuntu-vnc-xfce-firefox-g3 to latest@77691b6 by renovate (#26074)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| accetto/ubuntu-vnc-xfce-firefox-g3 | digest | `681f5fc` -> `77691b6` |

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> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

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

@@ -35,4 +35,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/firefox-desktop-g3
   - https://hub.docker.com/r/accetto/ubuntu-vnc-xfce-firefox-g3
 type: application
-version: 7.1.7
+version: 7.1.8

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

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: accetto/ubuntu-vnc-xfce-firefox-g3
-  tag: latest@sha256:681f5fc1957750d085270814c9cf69db620dcc2d4c7b0c788a294007b244f546
+  tag: latest@sha256:77691b6c1c70f175595d061a24ce819e411f4bbfae6b0ecc29a673464665d59d
 persistence:
   internalshare:
     enabled: true