loongson/pypi: links for webmagic

loongson/mirror Webmagic-12.4.12.zip
loongson/mirror Webmagic-12.4.12.tar.gz
loongson/mirror Webmagic-12.2.7.1.zip
loongson/mirror Webmagic-12.2.7.1.tar.gz
loongson/mirror Webmagic-11.12.28.zip
loongson/mirror Webmagic-11.12.28.tar.gz
loongson/mirror Webmagic-11.5.15.tar.gz
loongson/mirror Webmagic-11.5.9.2.tar.gz