docs: update typography demo

[xrkffgg]

[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

• Base docs: 便于快速识别 #26563

@stfenjobs

snap 是 jest 通过 toMatchSnapshot() 生成的静态 DOM，可以用来观察实际程序运行的结果。

如果你的改动对 snap 有了影响，可以使用

// 更新单个 component
npm run test components/typography/__tests__/ -u

// 更新全部 snap
npm run test -u

然后把修改的 snap 的一并提交上来。

📝 Changelog

Language	Changelog
🇺🇸 English	-
🇨🇳 Chinese	-

☑️ 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

---

View rendered components/typography/demo/text.md

[ant-design-bot]

[ant-design-bot]

[codesandbox-ci]

This pull request is automatically built and testable in CodeSandbox.

To see build info of the built libraries, click here or the icon next to each commit SHA.

Latest deployment of this branch, based on commit 08961e1:

Sandbox	Source
antd reproduction template	Configuration

[codecov]

Codecov Report

Merging #26604 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #26604   +/-   ##
=======================================
  Coverage   99.82%   99.82%           
=======================================
  Files         383      383           
  Lines        7347     7347           
  Branches     2007     2055   +48     
=======================================
  Hits         7334     7334           
  Misses         13       13           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update c630a6d...08961e1. Read the comment docs.

[github-actions]

Size Change: 0 B

Total Size: 800 kB

ℹ️ View Unchanged

Filename	Size	Change
./dist/antd-with-locales.min.js	317 kB	0 B
./dist/antd.compact.min.css	66.2 kB	0 B
./dist/antd.dark.min.css	67.5 kB	0 B
./dist/antd.min.css	66.2 kB	0 B
./dist/antd.min.js	283 kB	0 B

_{compressed-size-action}