fix: tarnsform type value

[crazyair]

yiminghe#339

不传 transform，会走到这个方法，会识别 value 类型设置 type

const required: ExecuteValidator = (rule, value, callback, source, options) => {
  const errors: string[] = [];
  const type = Array.isArray(value) ? 'array' : typeof value;
  rules.required(rule, value, source, errors, options, type);
  callback(errors);
};

所以在这里也增加 typeof 判断

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[afc163]

https://github.com/react-component/async-validator/releases/tag/v5.0.1