useFieldArray でリストのバリデーション

values: {
  "items": [
    {
      "name": "aaa",
      "email": "aaa@example.com"
    },
    {
      "name": "bbb",
      "email": "bbb@example.com"
    }
  ]
}

errors: {}

valid: true

dirty: false

touched: false

pending: false

submitCount: 0

isSubmitting: false