feat: TimePicker support rootClassName

[kiner-tang]

[中文版模板 / Chinese template]

🤔 This is a ...

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

🔗 Related issue link

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	TimePicker support rootClassName
🇨🇳 Chinese	时间选择器支持 rootClassName

☑️ Self-Check before Merge

⚠️ Please check all items below before requesting a reviewing. ⚠️

• 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

---

🚀 Summary

🤖 Generated by Copilot at ecf1623

Add a new rootClassName prop to the TimePicker component to allow customizing the class name on the root element. Update the TypeScript interface, the test cases, and the documentation in both English and Chinese for this prop.

🔍 Walkthrough

🤖 Generated by Copilot at ecf1623

• Add rootClassName prop to TimePicker component to allow customizing the class name on the root element (link)
• Document the new prop in both English and Chinese versions of the TimePicker component page (link, link)
• Test the new prop by rendering a TimePicker with a custom class name and verifying the snapshot and the class name (link)

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[github-actions]

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size-limit report 📦

Path	Size
./dist/antd.min.js	386.65 KB
./dist/antd-with-locales.min.js	445.78 KB

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (6ca1b6d) 100.00% compared to head (b8ad45b) 100.00%.
Report is 28 commits behind head on feature.

Additional details and impacted files

@@            Coverage Diff            @@
##           feature    #44059   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          658       658           
  Lines        11166     11186   +20     
  Branches      3024      3029    +5     
=========================================
+ Hits         11166     11186   +20     

Files Changed	Coverage Δ
components/_util/wave/index.ts	100.00% <ø> (ø)
components/_util/wave/style.ts	100.00% <ø> (ø)
components/anchor/style/index.ts	100.00% <ø> (ø)
components/checkbox/style/index.ts	100.00% <ø> (ø)
components/config-provider/context.ts	100.00% <ø> (ø)
...date-picker/generatePicker/generateRangePicker.tsx	100.00% <ø> (ø)
...ate-picker/generatePicker/generateSinglePicker.tsx	100.00% <ø> (ø)
components/drawer/style/index.ts	100.00% <ø> (ø)
components/input-number/style/index.ts	100.00% <ø> (ø)
components/input/style/index.ts	100.00% <ø> (ø)
... and 13 more

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