chore(flux): update image minecraft-java 22.12.0 → 22.12.8 (#32247)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [minecraft-java](https://truecharts.org/charts/stable/minecraft-java)
([source](https://ghcr.io/itzg/mc-backup)) | patch | `22.12.0` ->
`22.12.8` |

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clusters/main/kubernetes/apps/minecraft/app/helm-release.yaml

@@ -10,7 +10,7 @@ spec:
   chart:
     spec:
       chart: minecraft-java
-      version: 22.12.0
+      version: 22.12.8
       sourceRef:
         kind: HelmRepository
         name: truecharts