gh-142972: Document arbitrary ordering in Path.glob and Path.rglob (GH-143025)

Author: johnslavik

Doc/library/pathlib.rst

@@ -1331,6 +1331,10 @@ Reading directories
        PosixPath('setup.py'),
        PosixPath('test_pathlib.py')]
 
+   .. note::
+      The paths are returned in no particular order.
+      If you need a specific order, sort the results.
+
    .. seealso::
       :ref:`pathlib-pattern-language` documentation.
 
@@ -1365,6 +1369,10 @@ Reading directories
    Glob the given relative *pattern* recursively.  This is like calling
    :func:`Path.glob` with "``**/``" added in front of the *pattern*.
 
+   .. note::
+      The paths are returned in no particular order.
+      If you need a specific order, sort the results.
+
    .. seealso::
       :ref:`pathlib-pattern-language` and :meth:`Path.glob` documentation.