refactor(LogicServer): 调整 upstar 价格配置

- 将 845 号 upstar 的价格从 2000 调整为 1000
- 此修改可能影响 upstar 升级相关的游戏平衡，请注意测试和监控

LogicServer/data/config/upstar/UpstarPrice.config

@@ -1,5 +1,5 @@
 UpstarPriceConfig = {
-	[845] = { id = 1, itemid = 845, price = 2000 },
+	[845] = { id = 1, itemid = 845, price = 1000 },
 	[852] = { id = 2, itemid = 852, price = 50 },
 	[954] = { id = 1, itemid = 954, price = 10 },
 }