chore(helm): update image docker.io/itzg/mc-backup digest to e870f9f (#38299)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/itzg/mc-backup | digest | `ca16bbe` -> `e870f9f` |

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charts/stable/minecraft-java/Chart.yaml

@@ -37,5 +37,5 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/minecraft-java
   - https://hub.docker.com/r/itzg/mc-backup
 type: application
-version: 23.13.11
+version: 23.13.12
 

charts/stable/minecraft-java/values.yaml

@@ -52,7 +52,7 @@ j8alpineImage:
   pullPolicy: Always
 mcBackupImage:
   repository: docker.io/itzg/mc-backup
-  tag: latest@sha256:ca16bbeca04ce38469d187d9795985bf7e986d4798e330eb225e8cb9c1fba199
+  tag: latest@sha256:e870f9fc61f739cefe7b60b7b4a696bb4e20de65567ee4b44ce502dffffe4e1d
   pullPolicy: Always
 
 service: