loongson/pypi: links for protobuf3-to-dict

loongson/mirror protobuf3-to-dict-0.1.5.tar.gz
loongson/mirror protobuf3-to-dict-0.1.4.tar.gz
loongson/mirror protobuf3-to-dict-0.1.3.tar.gz
loongson/mirror protobuf3-to-dict-0.1.2.tar.gz
loongson/mirror protobuf3-to-dict-0.1.1.tar.gz
loongson/mirror protobuf3-to-dict-0.1.0.tar.gz