[3.14] InternalDocs: Correct struct path for latin1 singletons in string_interning.md (GH-148358)#148492

StanFromIreland merged 2 commits intopython:3.14python/cpython:3.14from

miss-islington:backport-0274d83-3.14miss-islington/cpython:backport-0274d83-3.14Copy head branch name to clipboard