gh-107432 Fix incorrect indentation in annotations HOWTO (GH-107445)
gh-107432 Fix incorrect indentation in annotations document
Body text in https://docs.python.org/3/howto/annotations.html was
indented throughout, and was being rendered in blockquote elements.
(cherry picked from commit 5e2746d6e2)
Co-authored-by: Daniele Procida <daniele@vurt.org>
