[3.11] gh-101100: Fix sphinx warnings in `Doc/library/xml.etree.elementtree.rst` (GH-109799)#109801

hugovk merged 1 commit intopython:3.11python/cpython:3.11from

miss-islington:backport-649768f-3.11miss-islington/cpython:backport-649768f-3.11Copy head branch name to clipboard