refactor: Anchor cssinjs

[LongHaoo]

[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

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	change anchor to cssinjs
🇨🇳 Chinese	anchor 转换cssinjs

☑️ 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

[github-actions]

[LongHaoo]

样式对比过没有问题，除了在Fixed状态后可能存在一些宽度高度变化问题需要最后check一下

[LongHaoo]

affix的时候宽度是152px，而正确的时候应该是148px，每天在对一下Affix这个宽度怎么取的

[zombieJ]

CI 挂了，rebase 一下？

[codecov]

Codecov Report

Merging #35139 (473fdf3) into next (b22aa64) will not change coverage.
The diff coverage is 100.00%.

❗ Current head 473fdf3 differs from pull request most recent head 95f691d. Consider uploading reports for the commit 95f691d to get more accurate results

@@           Coverage Diff           @@
##             next   #35139   +/-   ##
=======================================
  Coverage   99.98%   99.98%           
=======================================
  Files         459      459           
  Lines        8304     8305    +1     
  Branches     2384     2384           
=======================================
+ Hits         8303     8304    +1     
  Misses          1        1           

Impacted Files	Coverage Δ
components/anchor/Anchor.tsx	100.00% <100.00%> (ø)

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[zombieJ]

https://preview-35139-ant-design.surge.sh/components/anchor-cn/ 少侠，这个样式完全不对呐。。。