[3.15] gh-153141: Fix mutable default argument in _SharedMemoryTracker.__init__ ...

[3.15] gh-153141: Fix mutable default argument in _SharedMemoryTracker.__init__ (GH-153142) (#153145)

gh-153141: Fix mutable default argument in _SharedMemoryTracker.__init__ (GH-153142)

Fix default argument for segment_names in _SharedMemoryTracker constructor to not use a mutable list.
(cherry picked from commit d733b104d53e96584a6881d2772df65ad82573a0)

Co-authored-by: Vineet Kumar <108144301+whyvineet@users.noreply.github.com>