Apply ruff/pyupgrade rule UP035

UP035 Import from `re` instead: `Match`

Author: DimitriPapadopoulos

readme_renderer/markdown.py

@@ -14,7 +14,8 @@
 
 import re
 import warnings
-from typing import cast, Any, Callable, Match, Optional
+from typing import cast, Any, Callable, Optional
+from re import Match
 
 from html import unescape