Fix: hardcode handler_name = "lambda_function.lambda_handler" to match the zip entry name.#5692

mollyheamazon wants to merge 3 commits intoaws:masteraws/sagemaker-python-sdk:masterfrom

mollyheamazon:fix/lambda_handlermollyheamazon/sagemaker-python-sdk:fix/lambda_handlerCopy head branch name to clipboard