fix: upload export warn

[PengYYYYY]

🤔 这个 PR 的性质是？

• 日常 bug 修复
• 新特性提交
• 文档改进
• 演示代码改进
• 组件样式/交互改进
• CI/CD 改进
• 重构
• 代码风格优化
• 测试用例
• 分支合并
• 其他

🔗 相关 Issue

💡 需求背景和解决方案

Tencent/tdesign-vue-next#1775

📝 更新日志

• fix(Upload): 修复 upload 导出预期外的变量导致组件注册时出现告警

• 本条 PR 不需要纳入 Changelog

☑️ 请求合并前的自查清单

⚠️ 请自检并全部勾选全部选项。⚠️

• 文档已补充或无须补充
• 代码演示已提供或无须提供
• TypeScript 定义已补充或无须补充
• Changelog 已提供或无须提供

[github-actions]

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 62.32%. Comparing base (492d477) to head (ad7614d).
⚠️ Report is 1118 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1583      +/-   ##
===========================================
+ Coverage    57.94%   62.32%   +4.38%     
===========================================
  Files          407      677     +270     
  Lines        15371    16166     +795     
  Branches      2931     2811     -120     
===========================================
+ Hits          8907    10076    +1169     
+ Misses        6187     5794     -393     
- Partials       277      296      +19     

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