[3.14] gh-142972: Document arbitrary ordering in Path.glob and Path.rglob (GH-143025) (GH-143709)

gh-142972: Document arbitrary ordering in `Path.glob` and `Path.rglob` (GH-143025)
(cherry picked from commit 9d13ca9)

Co-authored-by: Bartosz Sławecki <bartosz@ilikepython.com>

Author: miss-islington

Doc/library/pathlib.rst

@@ -1345,6 +1345,10 @@ 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.
 
@@ -1379,6 +1383,10 @@ 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.