fix expired link in python onnxruntime readme (#1013)

Meng Wei

2023-10-17 8a16e1c13e91c9a7c43ba546fd71b85765d9469f

1
2
3
4
5
6
7
8
9
one    1
two    2
three    3
four    4
five    5
six    6
seven    7
eight    8
nine    9