infer release target from minecraft mod container

src/main/java/carpet/script/external/Vanilla.java

@@ -183,8 +183,7 @@ public class Vanilla
         return CarpetSettings.runPermissionLevel;
     }
 
-    @Deprecated
-    public static String MinecraftServer_getReleaseTarget(MinecraftServer server)
+    public static int [] MinecraftServer_getReleaseTarget(MinecraftServer server)
     {
         return CarpetSettings.releaseTarget;
     }