mypy-boto3-apigatewayv2 type annotations

mypy-boto3-apigatewayv2 provides a complete set of type annotations for the boto3 ApiGatewayV2 client and associated data structures, enabling static type checking with tools like MyPy. It ensures type safety and autocompletion for AWS SDK usage. The current version is 1.42.76, aligning with the `boto3` version it targets. New versions are released frequently in sync with `mypy-boto3-builder` updates and AWS API changes.