fix(types): use T as previous state type

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[中文版模板 / Chinese template]

🤔 This is a ...

• [ ] New feature
• [ ] Bug fix
• [ ] Site / documentation update
• [ ] Demo update
• [x] TypeScript definition update
• [ ] Bundle size optimization
• [ ] Performance optimization
• [ ] Enhancement feature
• [ ] Internationalization
• [ ] Refactoring
• [ ] Code style optimization
• [ ] Test Case
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• [ ] Other (about what?)

🔗 Related issue link

https://github.com/alibaba/hooks/pull/1630

💡 Background and solution

Before:

const [name, setName] = useLocalStorageState<string>('name', { defaultValue: '' });
setName((n) => n.slice(1));
// (parameter) n: string | undefined
// 检测到无法访问的代码。ts(7027)
// 对象可能为“未定义”。ts(2532)

📝 Changelog

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🇨🇳 Chinese

☑️ Self Check before Merge

⚠️ Please check all items below before review. ⚠️

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

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[liuyib]

same: https://github.com/alibaba/hooks/pull/2148, and #2148 is better