[3.10] [3.11] gh-99952: fix refcount issues in ctypes.Structure from_param() result (GH-101339)#101340

gpshead merged 2 commits intopython:3.10python/cpython:3.10from

miss-islington:backport-fa7c37a-3.10miss-islington/cpython:backport-fa7c37a-3.10Copy head branch name to clipboard