chore: add link and Python 3.8/3.9 classifiers to setup.py (#5715)
chore: add link and Python 3.8/3.9 classifiers to setup.py (#5715)

* Add link and Python 3.8/3.9 classifiers to setup.py

The link should appear on PyPI: https://pypi.org/project/kfp/#description

* use "The Kubeflow Authors" in setup.py

* Include more links in Python package description
kubeflow/pipelines,kubeflow/pipelines,kubeflow/pipelines,kubeflow/pipelines,kubeflow/pipelines,kubeflow/pipelines