[3.12] 3.12 What's New: Remove duplicate "up to" (GH-110219) (#110220)

3.12 What's New: Remove duplicate "up to" (GH-110219)
(cherry picked from commit 8d92b6e)

Co-authored-by: numbermaniac <[email protected]>

Author: miss-islington

Doc/whatsnew/3.12.rst

@@ -121,7 +121,7 @@ Significant improvements in the standard library:
 * A :ref:`command-line interface <uuid-cli>` has been added to the
   :mod:`uuid` module
 * Due to the changes in :ref:`PEP 701 <whatsnew312-pep701>`,
-  producing tokens via the :mod:`tokenize` module is up to up to 64% faster.
+  producing tokens via the :mod:`tokenize` module is up to 64% faster.
 
 Security improvements: