mypy-boto3-amplifyuibuilder type annotations

This library provides type annotations for the `boto3` AWS SDK, specifically for the AmplifyUIBuilder service. It enables static type checking with tools like MyPy, Pyright, VSCode, and PyCharm, improving code quality and developer experience. The package is currently at version 1.42.3 and is generated by the `mypy-boto3-builder` (version 8.12.0), which follows a frequent release cadence tied to upstream `boto3` updates and builder improvements.