loongson/pypi: links for prometheus-kafka-metrics

loongson/mirror prometheus-kafka-metrics-0.4.2.tar.gz
loongson/mirror prometheus-kafka-metrics-0.4.1.tar.gz
loongson/mirror prometheus-kafka-metrics-0.4.tar.gz
loongson/mirror prometheus-kafka-metrics-0.2.tar.gz
loongson/mirror prometheus-kafka-metrics-0.1.tar.gz