cpython

c546712e - [3.12] gh-155558: Update bundled Expat to 2.8.3 (GH-155560) (#155615)

[3.12] gh-155558: Update bundled Expat to 2.8.3 (GH-155560) (#155615) gh-155558: Update bundled Expat to 2.8.3 (GH-155560) (cherry picked from commit 3d6a50598ba7c89a6468f8e77afe2a39787c80e5) Co-authored-by: Stan Ulbrych <stan@python.org>