docs: update README.md

Author: allcontributors[bot]

README.md

@@ -281,6 +281,7 @@ Thanks goes to these people ([emoji key][emojis]):
     <td align="center"><a href="https://www.linkedin.com/in/deniz-susman-92b40a145/"><img src="https://avatars1.githubusercontent.com/u/39295979?v=4" width="100px;" alt=""/><br /><sub><b>Deniz Susman</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=DenrizSusam" title="Code">💻</a></td>
     <td align="center"><a href="https://github.com/delca85"><img src="https://avatars1.githubusercontent.com/u/4076043?v=4" width="100px;" alt=""/><br /><sub><b>Bianca Del Carretto</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=delca85" title="Tests">⚠️</a> <a href="https://github.com/testing-library/dom-testing-library/commits?author=delca85" title="Code">💻</a></td>
     <td align="center"><a href="https://www.linkedin.com/in/joshlalonde3/"><img src="https://avatars3.githubusercontent.com/u/9097492?v=4" width="100px;" alt=""/><br /><sub><b>Josh Lalonde</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=ryuuji3" title="Code">💻</a> <a href="https://github.com/testing-library/dom-testing-library/commits?author=ryuuji3" title="Tests">⚠️</a></td>
+    <td align="center"><a href="https://github.com/ipap360"><img src="https://avatars2.githubusercontent.com/u/11017666?v=4" width="100px;" alt=""/><br /><sub><b>Ioannis Papadopoulos</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=ipap360" title="Code">💻</a> <a href="https://github.com/testing-library/dom-testing-library/commits?author=ipap360" title="Tests">⚠️</a></td>
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