chore(deps): update container image ich777/thunderbird to latest@c83ddc8 by renovate (#27593)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ich777/thunderbird | digest | `e0594ac` -> `c83ddc8` |

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charts/stable/thunderbird/Chart.yaml

@@ -33,4 +33,4 @@ sources:
   - https://hub.docker.com/r/ich777/thunderbird
   - https://www.thunderbird.net/
 type: application
-version: 7.2.1
+version: 7.2.2

charts/stable/thunderbird/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: ich777/thunderbird
-  tag: latest@sha256:e0594ac275642c23ef1c747dea657e977300b97ebf0d8e6788e82ee879750528
+  tag: latest@sha256:c83ddc89687c7666a7f42ac237e21a4d41fb3eee4190d98fb2961a786aefe4c4
 persistence:
   data:
     enabled: true