pythongh-95913: Add io support for SpooledTemporaryFile in 3.11 Whatsnew (pythonGH-98312)

(cherry picked from commit f3f8b6f)

Co-authored-by: C.A.M. Gerlach <CAM.Gerlach@Gerlach.CAM>

Author: CAM-Gerlach

Doc/whatsnew/3.11.rst

@@ -995,6 +995,19 @@ sysconfig
   (Contributed by Miro Hrončok in :issue:`45413`.)
 
 
+.. _whatsnew311-tempfile:
+
+tempfile
+--------
+
+* :class:`~tempfile.SpooledTemporaryFile` objects now fully implements the methods
+  of :class:`io.BufferedIOBase` or :class:`io.TextIOBase`
+  (depending on file mode).
+  This lets them work correctly with APIs that expect file-like objects,
+  such as compression modules.
+  (Contributed by Carey Metcalfe in :gh:`70363`.)
+
+
 threading
 ---------