loongson/mirror: links for py3021

loongson/mirror PY3021-3.3.tar.gz
loongson/mirror PY3021-3.3-py3-none-any.whl
loongson/mirror PY3021-3.2.tar.gz
loongson/mirror PY3021-3.2-py3-none-any.whl
loongson/mirror PY3021-3.1.tar.gz
loongson/mirror PY3021-3.1-py3-none-any.whl
loongson/mirror PY3021-3.0.tar.gz
loongson/mirror PY3021-3.0-py3-none-any.whl