[3.13] gh-125631: Enable setting persistent_id and persistent_load of pickler and unpickler (GH-125752) (GH-126528)

pickle.Pickler.persistent_id and pickle.Unpickler.persistent_load can
again be overridden as instance attributes.
(cherry picked from commit 223d3dc554dde45f185f7f465753824c6f698b9b)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>