fix: 修复TaskTemplatePackageController路由冲突(getPackageItems路径改为item-list)

zxyj-backend/src/main/java/com/zxyj/controller/TaskTemplatePackageController.java

@@ -123,7 +123,7 @@ public class TaskTemplatePackageController {
      * 获取套餐的任务项列表
      */
     @Operation(summary = "获取套餐的任务项列表")
-    @PostMapping("/{id}/items")
+    @PostMapping("/{id}/item-list")
     public Result<List<TaskTemplateItem>> getPackageItems(@PathVariable Long id) {
         List<TaskTemplateItem> items = packageService.getPackageItems(id);
         return Result.success(items);