chore(typo): fix typo in UpdateFileReq field name

[LXY1226]

Description / 描述

ref: OpenListTeam/115-sdk-go#3
修正了来自库的命名问题

Motivation and Context / 背景

修正了来自库的命名问题

How Has This Been Tested? / 测试

patch after OpenListTeam/115-sdk-go#3 merged and compile successfully

Checklist / 检查清单

• [ x ] I have read the CONTRIBUTING document.
  我已阅读 CONTRIBUTING 文档。
• [ x ] I have formatted my code with go fmt or prettier.
  我已使用 go fmt 或 prettier 格式化提交的代码。
• I have added appropriate labels to this PR (or mentioned needed labels in the description if lacking permissions).
  我已为此 PR 添加了适当的标签（如无权限或需要的标签不存在，请在描述中说明，管理员将后续处理）。
• I have requested review from relevant code authors using the "Request review" feature when applicable.
  我已在适当情况下使用"Request review"功能请求相关代码作者进行审查。

[xrgzs]

https://github.com/OpenListTeam/115-sdk-go/releases/tag/v0.2.3 已发布，可以更新一下 go pkg

[LXY1226]

done /ping @xrgzs