loongson/pypi: links for pydantic

loongson/pypi pydantic-1.9.1-py3-none-any.whl
loongson/pypi pydantic-1.9.0-py3-none-any.whl
loongson/pypi pydantic-1.8.2-py3-none-any.whl
loongson/pypi pydantic-1.7.3-py3-none-any.whl