[3.13] GH-124547: Clear instance dictionary if memory error occurs during object dealloc (GH-124627) (#124714)

GH-124547: Clear instance dictionary if memory error occurs during object dealloc (GH-124627)
(cherry picked from commit 0e21cc6cf820679439d72e3ebd06227ee2a085f9)

Co-authored-by: Mark Shannon <mark@hotpy.org>