loongson/mirror: links for arq-prometheus

loongson/mirror arq_prometheus-0.3.0.tar.gz
loongson/mirror arq_prometheus-0.3.0-py3-none-any.whl
loongson/mirror arq-prometheus-0.2.3.tar.gz
loongson/mirror arq_prometheus-0.2.3-py3-none-any.whl
loongson/mirror arq-prometheus-0.2.2.tar.gz
loongson/mirror arq_prometheus-0.2.2-py3-none-any.whl
loongson/mirror arq-prometheus-0.2.1.tar.gz
loongson/mirror arq_prometheus-0.2.1-py3-none-any.whl
loongson/mirror arq-prometheus-0.2.0.tar.gz
loongson/mirror arq_prometheus-0.2.0-py3-none-any.whl