x-apigateway-auth-type

含义：基于Swagger的apiKey认证格式，定义API网关支持的特有认证方式。

作用域：Security Scheme Object(2.0)/Security Scheme Object(3.0)

Swagger：

securityDefinitions:
  apig-auth-app:
    in: header
    name: Authorization
    type: apiKey
    x-apigateway-auth-type: AppSigv1
  apig-auth-iam:
    in: header
    name: unused
    type: apiKey
    x-apigateway-auth-type: IAM

OpenAPI示例：

securitySchemes:
    apig-auth-app:
      in: header
      name: Authorization
      type: apiKey
      x-apigateway-auth-type: AppSigv1
    apig-auth-iam:
      in: header
      name: unused
      type: apiKey
      x-apigateway-auth-type: IAM