Merge #245

245: Update packaging to 20.9 r=nbraud a=pyup-bot


This PR updates [packaging](https://pypi.org/project/packaging) from **20.8** to **20.9**.



<details>
  <summary>Changelog</summary>
  
  
   ### 20.9
   ```
   ~~~~~~~~~~~~~~~~~

* Run `isort &lt;https://pypi.org/project/isort/&gt;`_ over the code base (:issue:`377`)
* Add support for the ``macosx_10_*_universal2`` platform tags (:issue:`379`)
* Introduce ``packaging.utils.parse_wheel_filename()`` and ``parse_sdist_filename()``
  (:issue:`387` and :issue:`389`)
   ```
   
  
</details>


 

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/packaging
  - Changelog: https://pyup.io/changelogs/packaging/
  - Repo: https://github.com/pypa/packaging
</details>



Co-authored-by: pyup-bot <github-bot@pyup.io>

setup.cfg

@@ -31,7 +31,7 @@ install_requires =
     wheel==0.36.2
     build==0.1.0
     pep517==0.9.1
-    packaging==20.8
+    packaging==20.9
     toml==0.10.2
     twine==3.3.0
     click==7.1.2