gh-111789: Use PyDict_GetItemRef() in Modules/pyexpat.c#112079

ambv merged 3 commits intopython:mainpython/cpython:mainfrom

serhiy-storchaka:use-dict_getitemref-Modules/pyexpat.cserhiy-storchaka/cpython:use-dict_getitemref-Modules/pyexpat.cCopy head branch name to clipboard