AWS CDK v1 CloudFormation Constructs

The `aws-cdk.aws-cloudformation` library provides AWS CDK v1 constructs for interacting with AWS CloudFormation, allowing users to define CloudFormation stacks, custom resources, and stack sets in Python. While functional, version 1.204.0 is part of AWS CDK v1 which is now in maintenance mode, with active development focused on AWS CDK v2 (`aws-cdk-lib`). It receives critical bug fixes but no new features, with releases aligning with the broader AWS CDK v1 maintenance cycle.