bpo-42972: Fully support GC for pyexpat, unicodedata, and dbm/gdbm heap types#26376

ncoghlan merged 3 commits intopython:mainpython/cpython:mainfrom

erlend-aasland:bpo-42972/3.10-resterlend-aasland/cpython:bpo-42972/3.10-restCopy head branch name to clipboard