loongson/mirror: links for gxyur-env

loongson/mirror GXYUR_env-0.2.3.tar.gz
loongson/mirror GXYUR_env-0.2.3-py3-none-any.whl
loongson/mirror GXYUR_env-0.2.2.tar.gz
loongson/mirror GXYUR_env-0.2.2-py3-none-any.whl