feat: Button support contentFontSize token

[MadCcc]

[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

解决 #44217

原 PR 直接覆盖了 Button 内 fontSizeSM 的值，会影响 Button 内全局 token 的使用。
添加一套 contentFontSize 的组件 Token 用于定制 Button 各个尺寸的文字大小

📝 Changelog

Language	Changelog
🇺🇸 English	Button support contentFontSize contentFontSizeSM contentFontSizeLG component token for customizing fontSize of each size.
🇨🇳 Chinese	Button 组件新增 contentFontSize contentFontSizeSM contentFontSizeLG 三个组件 token ，用于定制各个尺寸下的字体大小。

☑️ 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 adc9f4f

This pull request improves the button style code by using new font size properties and fixing a bug. It also cleans up the button token interface by removing an unused property.

🔍 Walkthrough

🤖 Generated by Copilot at adc9f4f

• Add new properties to ComponentToken interface and remove unused property from ButtonToken interface (link)
• Use contentFontSize property from token for base button style and add fontSize property to small button style (link, link)
• Fix large button font size bug by using contentFontSizeLG property from token (link)
• Add default values for new properties to defaultButtonToken object and align fontSizeSM with fontSize (link)

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[github-actions]

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size-limit report 📦

Path	Size
./dist/antd.min.js	388.95 KB (+32 B 🔺)
./dist/antd-with-locales.min.js	447.88 KB (+22 B 🔺)

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Build	Status	Details	Updated (UTC)
default (Inspect)	🧿 Changes detected (Review)	11 changes	Aug 17, 2023, 3:28 AM

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (947ea38) 100.00% compared to head (51d4da3) 100.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##           feature    #44257   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          663       663           
  Lines        11270     11271    +1     
  Branches      3047      3047           
=========================================
+ Hits         11270     11271    +1     

Files Changed	Coverage Δ
components/button/style/index.ts	100.00% <100.00%> (ø)

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[Simoon-F]

是计划在 5.8.5 发布吗？

[yoyo837]

是计划在 5.8.5 发布吗？

下个minor, 5.9.0