loongson/mirror: links for uv-add-requirements-txt

loongson/mirror uv_add_requirements_txt-1.5.2.tar.gz
loongson/mirror uv_add_requirements_txt-1.5.2-py3-none-any.whl
loongson/mirror uv_add_requirements_txt-1.5.1.tar.gz
loongson/mirror uv_add_requirements_txt-1.5.1-py3-none-any.whl