fixup! feat: Add strip_title_tags option

Author: pawamoy

src/mkdocs_autorefs/references.py

@@ -10,6 +10,7 @@
 from functools import lru_cache
 from html import escape, unescape
 from html.parser import HTMLParser
+from io import StringIO
 from typing import TYPE_CHECKING, Any, Callable, ClassVar, Literal
 from urllib.parse import urlsplit
 from xml.etree.ElementTree import Element