[3.11] gh-89336: Fix configparser.RawConfigParser.readfp typo (GH-92636) (GH-92662)

(cherry picked from commit 75e4634)


Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>

Automerge-Triggered-By: GH:serhiy-storchaka

Author: miss-islington

Doc/whatsnew/3.11.rst

@@ -1170,7 +1170,7 @@ Deprecated
 
   * the :class:`configparser.SafeConfigParser` class
   * the :attr:`configparser.ParsingError.filename` property
-  * the :meth:`configparser.ParsingError.readfp` method
+  * the :meth:`configparser.RawConfigParser.readfp` method
 
   (Contributed by Hugo van Kemenade in :issue:`45173`.)