[3.12] gh-124433: fix docs for asyncio.Queue.task_done (GH-128669) (#128672)

gh-124433: fix docs for `asyncio.Queue.task_done` (GH-128669)
(cherry picked from commit 4322a31)

Co-authored-by: Kumar Aditya <kumaraditya@python.org>

Author: miss-islington

Doc/library/asyncio-queue.rst

@@ -94,11 +94,11 @@ Queue
 
    .. method:: task_done()
 
-      Indicate that a formerly enqueued task is complete.
+      Indicate that a formerly enqueued work item is complete.
 
       Used by queue consumers. For each :meth:`~Queue.get` used to
-      fetch a task, a subsequent call to :meth:`task_done` tells the
-      queue that the processing on the task is complete.
+      fetch a work item, a subsequent call to :meth:`task_done` tells the
+      queue that the processing on the work item is complete.
 
       If a :meth:`join` is currently blocking, it will resume when all
       items have been processed (meaning that a :meth:`task_done`