gh-111615: Fix regression in QueueHandler configuration.

[vsajip]

• Issue: Python 3.12 breaks backwards compatibility for logging configuration #111615

[bedevere-bot]

🤖 New build scheduled with the buildbot fleet by @vsajip for commit 7d19184 🤖

If you want to schedule another build, you need to add the 🔨 test-with-buildbots label again.

[vsajip]

Buildbot failures seem to be either Python build issues, or unrelated failures in test.test_asyncio.test_streams.

[miss-islington-app]

Thanks @vsajip for the PR 🌮🎉.. I'm working now to backport this PR to: 3.12.
🐍🍒⛏🤖

[bedevere-app]

GH-113507 is a backport of this pull request to the 3.12 branch.

[brettcannon]

This broke the WASI builds as multiprocessing isn't available. Opened #113692 to track the breakage.

https://buildbot.python.org/all/#/builders/1046/builds/3844

======================================================================
ERROR: test_111615 (test.test_logging.ConfigDictTest.test_111615)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Lib/test/test_logging.py", line 3934, in test_111615
    'queue': mp.get_context('spawn').Queue(),
             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
  File "/Lib/multiprocessing/context.py", line 102, in Queue
    from .queues import Queue
  File "/Lib/multiprocessing/queues.py", line 23, in <module>
    import _multiprocessing
ModuleNotFoundError: No module named '_multiprocessing'
----------------------------------------------------------------------