(apigateway): support response streaming

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Describe the feature

AWS announced support for response streaming in Amazon API Gateway to significantly improve the responsiveness of your REST APIs by progressively streaming response payloads back to the client.

see: https://aws.amazon.com/blogs/compute/building-responsive-apis-with-amazon-api-gateway-response-streaming/

This feature uses the responseTransferMode parameter for integrations.

see: https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-apigateway-method-integration.html#cfn-apigateway-method-integration-responsetransfermode

Use Case

Response streaming app using API Gateway.

Proposed Solution

Adding responseTransferMode to IntegrationOptions.

Other Information

No response

Acknowledgements

• I may be able to implement this feature request
• This feature might incur a breaking change

AWS CDK Library version (aws-cdk-lib)

2.227.0

AWS CDK CLI version

2.1030.0

Environment details (OS name and version, etc.)

Mac