[3.10] bpo-45128: fixes `test_multiprocessing_fork` mysterious crash (GH-28387)#28462

miss-islington merged 1 commit intopython:3.10python/cpython:3.10from

miss-islington:backport-1d42408-3.10miss-islington/cpython:backport-1d42408-3.10Copy head branch name to clipboard