loongson/pypi: links for python-gcp-injections

loongson/mirror python-gcp-injections-1.5.1.tar.gz
loongson/mirror python-gcp-injections-1.5.tar.gz
loongson/mirror python-gcp-injections-1.4.tar.gz
loongson/mirror python-gcp-injections-1.3.tar.gz