fix(upload): adjust type declaration for the onError of customRequest

[yingpengsha]

[中文版模板 / Chinese template]

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• New feature
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🔗 Related issue link

close #26570

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	Fix the type declaration of onError in customRequest options of Upload.
🇨🇳 Chinese	修复 Upload 组件中 customRequest 的 onError 的类型定义。

☑️ Self Check before Merge

⚠️ Please check all items below before review. ⚠️

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• TypeScript definition is updated/provided or not needed
• Changelog is provided or not needed

[ant-design-bot]

[ant-design-bot]

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[codecov]

Codecov Report

Merging #26601 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #26601   +/-   ##
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  Coverage   99.82%   99.82%           
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  Files         383      383           
  Lines        7347     7347           
  Branches     2049     2058    +9     
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  Hits         7334     7334           
  Misses         13       13           

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