chore: add instruction detail in _auth.py print statement. Fixes #4987 (#4988)
chore: add instruction detail in _auth.py print statement. Fixes #4987 (#4988)

* Update _auth.py with more instructions

* Update sdk/python/kfp/_auth.py

Co-authored-by: Jiaxiao Zheng <10930150bff7f857547ee69a8cae048dfaaa22a2@google.com>

Co-authored-by: Jiaxiao Zheng <10930150bff7f857547ee69a8cae048dfaaa22a2@google.com>
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