loongson/pypi: links for cdk-db-migration

loongson/mirror cdk-db-migration-2.0.0.tar.gz
loongson/mirror cdk_db_migration-2.0.0-py3-none-any.whl
loongson/mirror cdk-db-migration-1.1.0.tar.gz
loongson/mirror cdk_db_migration-1.1.0-py3-none-any.whl
loongson/mirror cdk-db-migration-1.0.0.tar.gz
loongson/mirror cdk_db_migration-1.0.0-py3-none-any.whl