chore(deps): update container image ich777/thunderbird to latest@dcbe1d2 by renovate (#22996)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ich777/thunderbird | digest | `dff5fc6` -> `dcbe1d2` |

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This PR has been generated by [Renovate
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charts/stable/thunderbird/Chart.yaml

@@ -34,4 +34,4 @@ sources:
   - https://hub.docker.com/r/ich777/thunderbird
   - https://www.thunderbird.net/
 type: application
-version: 7.0.0
+version: 7.0.1

charts/stable/thunderbird/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: ich777/thunderbird
-  tag: latest@sha256:dff5fc61f6c7972f78101c1e99a672d06c1d26932fbc5309401df1de88ffc1c6
+  tag: latest@sha256:dcbe1d2c54b3cbc83f26c67991592b08ebc817e01724a57df02d41c4c843abac
 persistence:
   data:
     enabled: true