loongson/pypi: links for open-text-embeddings

loongson/mirror open_text_embeddings-1.0.4.tar.gz
loongson/mirror open_text_embeddings-1.0.3.tar.gz
loongson/mirror open_text_embeddings-1.0.2.tar.gz
loongson/mirror open_text_embeddings-1.0.1.tar.gz