loongson/mirror: links for makkus-dag-cbor

loongson/mirror makkus.dag-cbor-0.3.4.tar.gz
loongson/mirror makkus.dag_cbor-0.3.4-py3-none-any.whl
loongson/mirror makkus.dag-cbor-0.3.3.tar.gz
loongson/mirror makkus.dag_cbor-0.3.3-py3-none-any.whl