fix: update form validation typings #526

[pumano]

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This is a ...

• New feature
• Bug fix
• Site / document update
• Component style update
• TypeScript definition update
• Refactoring
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fixes #526

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Update typescript definitions for form validation

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[pumano]

looks like 1 test failed, but I don't figure out, why that happens, because I don't change any line of javascript code.

[tangjinzhou]

looks like 1 test failed, but I don't figure out, why that happens, because I don't change any line of javascript code.

@pumano Don't worry, this is caused by inconsistent snapshots caused by the underlying dependency library ant-design-icons update.

[github-actions]

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