loongson/pypi: links for dev-ping-tester

loongson/mirror dev-ping-tester-0.6.tar.gz
loongson/mirror dev-ping-tester-0.5.tar.gz
loongson/mirror dev-ping-tester-0.4.tar.gz
loongson/mirror dev-ping-tester-0.3.tar.gz
loongson/mirror dev-ping-tester-0.2.tar.gz
loongson/mirror dev-ping-tester-0.1.tar.gz