Issue #22581: Use more "bytes-like object" throughout the docs and comments.

diff --cc Doc/c-api/unicode.rst
Simple merge

diff --cc Doc/library/socket.rst
Simple merge

diff --cc Doc/library/ssl.rst
Simple merge

diff --cc Lib/multiprocessing/connection.py
Simple merge

diff --cc Modules/arraymodule.c
Simple merge

diff --cc Modules/socketmodule.c
Simple merge

diff --cc Objects/unicodeobject.c
Simple merge

diff --cc Python/getargs.c
Simple merge

diff --cc Python/marshal.c
Simple merge