[3.8] bpo-37698: Update doc of PyBuffer_ToContiguous (GH-14992) (GH-15999)

https://bugs.python.org/issue37698
(cherry picked from commit 15f5a7527b87e11fcf23069c147fd4cb7d42cfb0)

Co-authored-by: Hai Shi <shihai1992@gmail.com>
1 file changed