[3.12] gh-104955: Fix __release_buffer__ signature (GH-104956)#104973

JelleZijlstra merged 1 commit intopython:3.12python/cpython:3.12from

miss-islington:backport-6e1eccd-3.12miss-islington/cpython:backport-6e1eccd-3.12Copy head branch name to clipboard