(step_functions): Support new (12/1/2022) Map fields

[dschultz0]

Describe the feature

The Amazon States Language used by Step Functions added new Map fields that increase the utility of step functions for parallel processing: https://states-language.net/#2022-12-01. These new fields support the "Distributed" processing mode described here: https://docs.aws.amazon.com/step-functions/latest/dg/amazon-states-language-map-state.html

These fields are not currently available from the CDK in any of the variants: https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_stepfunctions.Map.html

Use Case

These updates to the States Language are a big step forward in improving the utility of Step Functions, particularly building data processing pipelines that benefit from parallel processing across a large corpus of data. Being able to leverage these through CDK created state machines would enable a greater range of uses for Step Functions.

Proposed Solution

Add the additional fields.

Other Information

No response

Acknowledgements

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

CDK version used

2.61.1

Environment details (OS name and version, etc.)

Windows, Python

[ffxsam]

Would love to see some progress on this soon!

[peterwoodworth]

Thanks for the request! I'm going to close this as a duplicate of #23216, please leave a thumbs up on that issue if you would like to give your support 🙂

[github-actions]

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