loongson/pypi: links for arvados-cluster-activity

loongson/mirror arvados-cluster-activity-3.1.2.tar.gz
loongson/mirror arvados_cluster_activity-3.1.2-py3-none-any.whl
loongson/mirror arvados-cluster-activity-3.1.1.tar.gz
loongson/mirror arvados_cluster_activity-3.1.1-py3-none-any.whl
loongson/mirror arvados-cluster-activity-3.1.0.tar.gz
loongson/mirror arvados_cluster_activity-3.1.0-py3-none-any.whl
loongson/mirror arvados-cluster-activity-3.0.0.tar.gz
loongson/mirror arvados_cluster_activity-3.0.0-py3-none-any.whl