[3.10] gh-100287: Fix unittest.mock.seal with AsyncMock (GH-100496) (#100508)

(cherry picked from commit e4b43ebb3afbd231a4e5630e7e358aa3093f8677)

Co-authored-by: Shantanu <12621235+hauntsaninja@users.noreply.github.com>
3 files changed