docs: add okken as a contributor for audio (#817)

* docs: update README.md [skip ci]

* docs: update .all-contributorsrc [skip ci]

---------

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>

.all-contributorsrc

@@ -403,6 +403,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "okken",
+      "name": "Brian Okken",
+      "avatar_url": "https://avatars.githubusercontent.com/u/1568356?v=4",
+      "profile": "https://pythontest.com",
+      "contributions": [
+        "audio"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -339,6 +339,9 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/felix-cw"><img src="https://avatars.githubusercontent.com/u/87987318?v=4?s=100" width="100px;" alt="Felix Williams"/><br /><sub><b>Felix Williams</b></sub></a><br /><a href="https://github.com/nbQA-dev/nbQA/issues?q=author%3Afelix-cw" title="Bug reports">🐛</a></td>
       <td align="center" valign="top" width="14.28%"><a href="http://florianbaer.github.io"><img src="https://avatars.githubusercontent.com/u/3041156?v=4?s=100" width="100px;" alt="Florian Bär"/><br /><sub><b>Florian Bär</b></sub></a><br /><a href="https://github.com/nbQA-dev/nbQA/commits?author=florianbaer" title="Documentation">📖</a></td>
     </tr>
+    <tr>
+      <td align="center" valign="top" width="14.28%"><a href="https://pythontest.com"><img src="https://avatars.githubusercontent.com/u/1568356?v=4?s=100" width="100px;" alt="Brian Okken"/><br /><sub><b>Brian Okken</b></sub></a><br /><a href="#audio-okken" title="Audio">🔊</a></td>
+    </tr>
   </tbody>
 </table>