loongson/pypi: links for swagger-spec-validator3

loongson/mirror swagger-spec-validator3-3.0.4.tar.gz
loongson/mirror swagger-spec-validator3-3.0.3.tar.gz
loongson/mirror swagger-spec-validator3-3.0.2.tar.gz
loongson/mirror swagger-spec-validator3-3.0.1.tar.gz
loongson/mirror swagger-spec-validator3-3.0.0.tar.gz