[3.14] gh-136854: Exit on error in `make venv` (GH-136856)#136860

hugovk merged 1 commit intopython:3.14python/cpython:3.14from

miss-islington:backport-9c2f91c-3.14miss-islington/cpython:backport-9c2f91c-3.14Copy head branch name to clipboard