feat/add warning for icon props

[vagusX]

🤔 This is a ...

• New feature
• Bug fix
• Site / document update
• Component style update
• TypeScript definition update
• Refactoring
• Code style optimization
• Test Case
• Branch merge
• Other (about what?)

🔗 Related issue link

related to ant-design/codemod-v4#5

💡 Background and solution

add some warning for string naming icon props in component Avatar, Button, Modal.method and Result

📝 Changelog

Language	Changelog
🇺🇸 English	add warning for string naming icon props in component Avatar, Button, Modal.method and Result
🇨🇳 Chinese	给使用字符串作为 icon props 的四个组件(Avatar, Button, Modal.method and Result) 增加 warning

☑️ Self Check before Merge

• 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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View rendered README.md
View rendered components/affix/index.en-US.md
View rendered components/affix/index.zh-CN.md
View rendered components/alert/demo/custom-icon.md
View rendered components/alert/demo/error-boundary.md
View rendered components/alert/index.en-US.md
View rendered components/alert/index.zh-CN.md
View rendered components/anchor/index.en-US.md
View rendered components/anchor/index.zh-CN.md

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[codecov]

Codecov Report

Merging #20226 into 4.0-prepare will increase coverage by <.01%.
The diff coverage is 100%.

@@               Coverage Diff               @@
##           4.0-prepare   #20226      +/-   ##
===============================================
+ Coverage        97.55%   97.55%   +<.01%     
===============================================
  Files              294      294              
  Lines             6831     6839       +8     
  Branches          1874     1839      -35     
===============================================
+ Hits              6664     6672       +8     
  Misses             167      167

Impacted Files	Coverage Δ
components/result/index.tsx	100% <100%> (ø)	⬆️
components/modal/confirm.tsx	94.54% <100%> (+0.2%)	⬆️
components/button/button.tsx	100% <100%> (ø)	⬆️
components/avatar/index.tsx	98.43% <100%> (+0.05%)	⬆️

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