feat: Menu support darkPopupBg token

[chenshuai2144]

[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	feat: Menu support darkPopupBg token
🇨🇳 Chinese	Menu 支持 darkPopupBg 的 token 配置

☑️ 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

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[github-actions]

Visual Regression Report for PR #46618 Failed ❌

Target branch: feature (87adc38)
View Full Report

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image name	expected	actual	diff
menu-component-token.png
menu-component-token.css-var.png

Check Full Report for details

[github-actions]

[codesandbox-ci]

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Latest deployment of this branch, based on commit bc113a0:

Sandbox	Source
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[github-actions]

size-limit report 📦

Path	Size
./dist/antd.min.js	329.99 KB (-61 B 🔽)
./dist/antd-with-locales.min.js	376.09 KB (+282 B 🔺)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (87adc38) 100.00% compared to head (bc113a0) 100.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##           feature    #46618   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          718       718           
  Lines        12209     12209           
  Branches      3223      3223           
=========================================
  Hits         12209     12209           

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[github-actions]

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