[3.11] gh-101765: Fix refcount issues in list and unicode pickling (G…#102268

JelleZijlstra merged 1 commit intopython:3.11python/cpython:3.11from

JelleZijlstra:backport-d71edbd-3.11JelleZijlstra/cpython:backport-d71edbd-3.11Copy head branch name to clipboard