[3.13] gh-124722: Fix leak in `test_detach_materialized_dict_no_memory` (GH-124769)#124777

Yhg1s merged 1 commit intopython:3.13python/cpython:3.13from

miss-islington:backport-6f4d64b-3.13miss-islington/cpython:backport-6f4d64b-3.13Copy head branch name to clipboard