[3.11] Move around example in to_bytes() to avoid confusion (GH-101595) (#102434)

Move around example in to_bytes() to avoid confusion (GH-101595)

Moves an example to be closer to the sentence that refers to it.
(cherry picked from commit 5da379ca7dff44b321450800252be01041b3320b)

Co-authored-by: Sergey B Kirpichev <skirpichev@gmail.com>