loongson/pypi: links for slack-wrapper

loongson/mirror slack-wrapper-0.4.2.2.tar.gz
loongson/mirror slack-wrapper-0.4.2.1.tar.gz
loongson/mirror slack-wrapper-0.4.2.tar.gz
loongson/mirror slack-wrapper-0.4.1.tar.gz
loongson/mirror slack-wrapper-0.4.tar.gz
loongson/mirror slack-wrapper-0.3.tar.gz
loongson/mirror slack-wrapper-0.2.tar.gz
loongson/mirror slack-wrapper-0.1.tar.gz