docs: add stefcameron as a contributor (#176)

* docs: update README.md [skip ci]

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

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -273,6 +273,15 @@
         "ideas",
         "code"
       ]
+    },
+    {
+      "login": "stefcameron",
+      "name": "Stefan Cameron",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/2855350?v=4",
+      "profile": "https://stefancameron.com/",
+      "contributions": [
+        "bug"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -23,7 +23,7 @@
 [![Tweet][tweet-badge]][tweet-url]
 
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-25-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-26-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 ## Installation
@@ -208,6 +208,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="http://pustovalov.dev"><img src="https://avatars2.githubusercontent.com/u/1568885?v=4" width="100px;" alt=""/><br /><sub><b>Pavel Pustovalov</b></sub></a><br /><a href="https://github.com/testing-library/eslint-plugin-testing-library/issues?q=author%3Apustovalov" title="Bug reports">🐛</a></td>
     <td align="center"><a href="https://github.com/jrparish"><img src="https://avatars3.githubusercontent.com/u/5173987?v=4" width="100px;" alt=""/><br /><sub><b>Jacob Parish</b></sub></a><br /><a href="https://github.com/testing-library/eslint-plugin-testing-library/issues?q=author%3Ajrparish" title="Bug reports">🐛</a> <a href="https://github.com/testing-library/eslint-plugin-testing-library/commits?author=jrparish" title="Code">💻</a> <a href="https://github.com/testing-library/eslint-plugin-testing-library/commits?author=jrparish" title="Tests">⚠️</a></td>
     <td align="center"><a href="https://nickmccurdy.com/"><img src="https://avatars0.githubusercontent.com/u/927220?v=4" width="100px;" alt=""/><br /><sub><b>Nick McCurdy</b></sub></a><br /><a href="#ideas-nickmccurdy" title="Ideas, Planning, & Feedback">🤔</a> <a href="https://github.com/testing-library/eslint-plugin-testing-library/commits?author=nickmccurdy" title="Code">💻</a></td>
+    <td align="center"><a href="https://stefancameron.com/"><img src="https://avatars3.githubusercontent.com/u/2855350?v=4" width="100px;" alt=""/><br /><sub><b>Stefan Cameron</b></sub></a><br /><a href="https://github.com/testing-library/eslint-plugin-testing-library/issues?q=author%3Astefcameron" title="Bug reports">🐛</a></td>
   </tr>
 </table>