refactor(config): 更新创业板指中的红利ETF配置

- 将中证红利(000922.CSI)替换为上证红利(000015.SH)
- 更新对应的ETF代码为510880.SH，注释同步调整
- 保持市场标识为"A"不变

config/strategies/rotation.yaml

@@ -23,10 +23,9 @@ code_list:
     name: "创业板指"
     etf: "159915.SZ"      # 易方达创业板ETF
     market: "A"
-  "000922.CSI":
-    name: "中证红利"
-    etf: "515180.SH"      # 红利ETF博时
-    market: "A"
+  "000015.SH":
+    name: "上证红利"
+    etf: "510880.SH"      # 华泰柏瑞红利ETF
   # 金融
   "399986.SZ":
     name: "中证银行"