loongson/pypi: links for gapic-google-cloud-language-v1

loongson/mirror gapic-google-cloud-language-v1-0.15.3.tar.gz
loongson/mirror gapic-google-cloud-language-v1-0.15.0.tar.gz
loongson/mirror gapic-google-cloud-language-v1-0.14.0.tar.gz