loongson/pypi: links for env-diff

loongson/mirror env-diff-0.4.tar.gz
loongson/mirror env_diff-0.4-py3-none-any.whl
loongson/mirror env-diff-0.3.tar.gz
loongson/mirror env_diff-0.3-py3-none-any.whl
loongson/mirror env-diff-0.2.tar.gz
loongson/mirror env_diff-0.2-py3-none-any.whl
loongson/mirror env-diff-0.1.tar.gz
loongson/mirror env_diff-0.1-py3-none-any.whl