Update text with distutils deprecation

Author: astrojuanlu

source/tutorials/packaging-projects.rst

@@ -329,16 +329,17 @@ be required, but can be omitted with newer versions of setuptools and pip.
     There are many more than the ones mentioned here. See
     :doc:`/guides/distributing-packages-using-setuptools` for more details.
 
-.. note::
+.. warning::
 
    You may see some existing projects or other Python packaging tutorials that
    import their ``setup`` function from ``distutils.core`` rather than
    ``setuptools``. This is a `legacy approach`_ that installers [1]_ support
    for backwards compatibility purposes, but using the legacy ``distutils`` API
-   directly in new projects is strongly discouraged, as it means that newer
-   build commands, like ``setup.py bdist_wheel``, won't work.
+   directly in new projects is strongly discouraged, since ``distutils`` is
+   deprecated as per :pep:`632` and will be removed from the standard library
+   in Python 3.12.
 
-.. _legacy approach: https://docs.python.org/3/library/distutils.html
+.. _legacy approach: https://docs.python.org/3.10/library/distutils.html
 
 Creating README.md
 ------------------