Add name prop for checkbox group

[ztplz]

🤔 This is a ...

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

👻 What's the background?

1. Describe the source of requirement, like related issue link.
   Support name attribute for Checkbox and Checkbox.Group #15751

2. Describe the problem and the scenario.

💡 Solution

1. How to fix the problem, and list final API implementation and usage sample if that is an new feature.

2. GIF or snapshot should be provided if includes UI/interactive modification.

📝 Changelog description

Describe changes from userside, and list all potential break changes or other risks.

1. English description

2. Chinese description (optional)

☑️ 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

[netlify]

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[netlify]

Deploy preview for ant-design ready!

Built with commit 2a875ee

https://deploy-preview-15753--ant-design.netlify.com

[codecov]

Codecov Report

Merging #15753 into master will decrease coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #15753      +/-   ##
==========================================
- Coverage   95.09%   95.05%   -0.05%     
==========================================
  Files         250      250              
  Lines        6647     6647              
  Branches     1930     1942      +12     
==========================================
- Hits         6321     6318       -3     
- Misses        325      328       +3     
  Partials        1        1

Impacted Files	Coverage Δ
components/checkbox/Group.tsx	100% <ø> (ø)	⬆️
components/_util/wave.tsx	85.57% <0%> (-2.89%)	⬇️

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