loongson/pypi: links for cbpi4-groupedpoweractor

loongson/mirror cbpi4-GroupedPowerActor-0.0.6.tar.gz
loongson/mirror cbpi4-GroupedPowerActor-0.0.5.tar.gz
loongson/mirror cbpi4-GroupedPowerActor-0.0.4.tar.gz
loongson/mirror cbpi4-GroupedPowerActor-0.0.3.tar.gz