fix: Tabs missing slide motion def

[zombieJ]

[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
• Other (about what?)

🔗 Related issue link

fix #38890

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	Fix Tabs dropdown motion not work.
🇨🇳 Chinese	修复 Tabs 下拉菜单动画不工作的问题。

☑️ 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

[github-actions]

[github-actions]

Size Change: -135 B (0%)

Total Size: 900 kB

Filename	Size	Change
./dist/antd-with-locales.min.js	479 kB	-43 B (0%)
./dist/antd.min.js	421 kB	-92 B (0%)

_{compressed-size-action}

[codecov]

Codecov Report

Base: 100.00% // Head: 100.00% // No change to project coverage 👍

Coverage data is based on head (47140e3) compared to base (5d9cb2e).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff            @@
##            master    #38892   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          544       544           
  Lines         9358      9358           
  Branches      2652      2652           
=========================================
  Hits          9358      9358           

Impacted Files	Coverage Δ
components/tabs/style/motion.tsx	100.00% <100.00%> (ø)

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