docs: add AriPerkkio as a contributor (#109)

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -118,7 +118,9 @@
       "avatar_url": "https://avatars2.githubusercontent.com/u/14806298?v=4",
       "profile": "https://codepen.io/ariperkkio/",
       "contributions": [
-        "bug"
+        "bug",
+        "code",
+        "test"
       ]
     },
     {

README.md

@@ -152,14 +152,13 @@ Thanks goes to these people ([emoji key][emojis]):
     <td align="center"><a href="https://skovy.dev"><img src="https://avatars1.githubusercontent.com/u/5247455?v=4" width="100px;" alt=""/><br /><sub><b>Spencer Miskoviak</b></sub></a><br /><a href="https://github.com/testing-library/eslint-plugin-jest-dom/commits?author=skovy" title="Code">💻</a> <a href="https://github.com/testing-library/eslint-plugin-jest-dom/commits?author=skovy" title="Tests">⚠️</a></td>
     <td align="center"><a href="https://github.com/atsikov"><img src="https://avatars3.githubusercontent.com/u/1422928?v=4" width="100px;" alt=""/><br /><sub><b>Aleksei Tsikov</b></sub></a><br /><a href="https://github.com/testing-library/eslint-plugin-jest-dom/issues?q=author%3Aatsikov" title="Bug reports">🐛</a></td>
     <td align="center"><a href="https://mario.dev"><img src="https://avatars1.githubusercontent.com/u/2677072?v=4" width="100px;" alt=""/><br /><sub><b>Mario Beltrán Alarcón</b></sub></a><br /><a href="https://github.com/testing-library/eslint-plugin-jest-dom/commits?author=Belco90" title="Documentation">📖</a></td>
-    <td align="center"><a href="https://codepen.io/ariperkkio/"><img src="https://avatars2.githubusercontent.com/u/14806298?v=4" width="100px;" alt=""/><br /><sub><b>Ari Perkkiö</b></sub></a><br /><a href="https://github.com/testing-library/eslint-plugin-jest-dom/issues?q=author%3AAriPerkkio" title="Bug reports">🐛</a></td>
+    <td align="center"><a href="https://codepen.io/ariperkkio/"><img src="https://avatars2.githubusercontent.com/u/14806298?v=4" width="100px;" alt=""/><br /><sub><b>Ari Perkkiö</b></sub></a><br /><a href="https://github.com/testing-library/eslint-plugin-jest-dom/issues?q=author%3AAriPerkkio" title="Bug reports">🐛</a> <a href="https://github.com/testing-library/eslint-plugin-jest-dom/commits?author=AriPerkkio" title="Code">💻</a> <a href="https://github.com/testing-library/eslint-plugin-jest-dom/commits?author=AriPerkkio" title="Tests">⚠️</a></td>
     <td align="center"><a href="http://www.antn.se"><img src="https://avatars0.githubusercontent.com/u/785676?v=4" width="100px;" alt=""/><br /><sub><b>Anton Niklasson</b></sub></a><br /><a href="https://github.com/testing-library/eslint-plugin-jest-dom/commits?author=AntonNiklasson" title="Code">💻</a> <a href="https://github.com/testing-library/eslint-plugin-jest-dom/commits?author=AntonNiklasson" title="Tests">⚠️</a> <a href="https://github.com/testing-library/eslint-plugin-jest-dom/commits?author=AntonNiklasson" title="Documentation">📖</a></td>
   </tr>
 </table>
 
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 This project follows the [all-contributors][all-contributors] specification.