[3.11] gh-100538: Add workflow to verify bundled libexpat (GH-145359)#145408

miss-islington wants to merge 1 commit intopython:3.11python/cpython:3.11from

miss-islington:backport-c9a5d9a-3.11miss-islington/cpython:backport-c9a5d9a-3.11Copy head branch name to clipboard