[3.13] Fix importlib.resources issue reference in 3.13 What's New (GH-125175) (#125184)

Previous link was to the PR that removed the
mentioned importlib.resources APIs, rather than
the issue that added back their improved forms.

(cherry picked from commit 7a303fc78a6dbd1b4c01f8a2b14ddcae29f4271b)

Co-authored-by: Alyssa Coghlan <ncoghlan@gmail.com>