fix: no ConfigProvider's TypeScript definition

[singlebyted]

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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?

Project build failed with Module 'ant-design-vue/types' has no exported member 'ConfigProvider' in Typescript.

API Realization (Optional if not new feature)

Add a definition.

What's the effect? (Optional if not new feature)

1. Does this PR affect user? Which part will be affected?
2. What will say in changelog?
3. Does this PR contains potential break change or other risk?

Changelog description (Optional if not new feature)

1. Add ConfigProvider's TypeScript definition
2. 补充 ConfigProvider TypeScript 定义

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

Additional Plan? (Optional if not new feature)

If this PR related with other PR or following info. You can type here.

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[codecov]

Codecov Report

Merging #1143 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master   #1143   +/-   ##
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  Coverage    87.1%   87.1%           
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  Files         146     146           
  Lines        4847    4847           
  Branches     1453    1453           
======================================
  Hits         4222    4222           
  Misses        558     558           
  Partials       67      67

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[github-actions]

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