loongson/pypi: links for aws-sdk-signers

loongson/mirror aws_sdk_signers-0.0.3.tar.gz
loongson/mirror aws_sdk_signers-0.0.3-py3-none-any.whl
loongson/mirror aws_sdk_signers-0.0.2.tar.gz
loongson/mirror aws_sdk_signers-0.0.2-py3-none-any.whl
loongson/mirror aws_sdk_signers-0.0.1.tar.gz
loongson/mirror aws_sdk_signers-0.0.1-py3-none-any.whl