bpo-44613: Make importlib.metadata non-provisional (GH-27101) (#27106)

* importlib.metadata is no longer provisional as of 3.10
* Add NEWS entry
(cherry picked from commit f6954cdfc50060a54318fb2aea4d80408381243a)

Co-authored-by: Barry Warsaw <barry@python.org>

Co-authored-by: Barry Warsaw <barry@python.org>
2 files changed