loongson/pypi: links for covidcountydata

loongson/mirror covidcountydata-0.8.0.tar.gz
loongson/mirror covidcountydata-0.7.0.tar.gz
loongson/mirror covidcountydata-0.5.0.tar.gz
loongson/mirror covidcountydata-0.4.0.tar.gz