loongson/mirror: links for tracgraphviz

loongson/mirror TracGraphviz-1.4.0.3.tar.gz
loongson/mirror TracGraphviz-1.4.0.3-py2.py3-none-any.whl
loongson/mirror TracGraphviz-1.4.0.1.tar.gz
loongson/mirror TracGraphviz-1.4.0.1-py2-none-any.whl