chore(helm): update image docker.io/ich777/thunderbird digest to efe047e (#28803)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/ich777/thunderbird | digest | `c83ddc8` -> `efe047e` |

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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: 7.2.3
+version: 7.2.4

charts/stable/thunderbird/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: docker.io/ich777/thunderbird
-  tag: latest@sha256:c83ddc89687c7666a7f42ac237e21a4d41fb3eee4190d98fb2961a786aefe4c4
+  tag: latest@sha256:efe047ebb49668dbf0f1ca327aa7be2bf2cb335e1cb94d41edeb06e597814b1f
 persistence:
   data:
     enabled: true