Fix a broken link in Ray Dataset doc (#25927)
Fix a broken link in Ray Dataset doc (#25927)

Co-authored-by: Myeong Kim <0717357824d5d59483d03ad57de15903d2a87e70@amazon.com>
ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray