chore(helm): update image docker.io/accetto/ubuntu-vnc-xfce-firefox-g3 digest to 4d7dc4b (#28036)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/accetto/ubuntu-vnc-xfce-firefox-g3 | digest | `5db345a` ->
`4d7dc4b` |

Add the preset `:preserveSemverRanges` to your config if you don't want
to pin your dependencies.

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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: 7.2.1
+version: 7.2.2

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

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: docker.io/accetto/ubuntu-vnc-xfce-firefox-g3
-  tag: latest@sha256:5db345a9c211edcb2b32055d77203facad5e1361a8d020698adcb18c2eb77875
+  tag: latest@sha256:4d7dc4b9b6fa4787b05053b188c90873ceea065a53bfeb8a42fe6483ba640057
 persistence:
   internalshare:
     enabled: true