loongson/pypi: links for coverage-env-plugin

loongson/mirror coverage-env-plugin-0.2.0.tar.gz
loongson/mirror coverage_env_plugin-0.2.0-py2.py3-none-any.whl
loongson/mirror coverage_env_plugin-0.1.tar.gz
loongson/mirror coverage_env_plugin-0.1-py2.py3-none-any.whl