docs: update README.md

Author: allcontributors[bot]

README.md

@@ -134,7 +134,7 @@ Thanks goes to these people ([emoji key][emojis]):
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       <td align="center" valign="top" width="14.28%"><a href="https://kentcdodds.com"><img src="https://avatars.githubusercontent.com/u/1500684?v=3?s=100" width="100px;" alt="Kent C. Dodds"/><br /><sub><b>Kent C. Dodds</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=kentcdodds" title="Code">💻</a> <a href="https://github.com/testing-library/dom-testing-library/commits?author=kentcdodds" title="Documentation">📖</a> <a href="#infra-kentcdodds" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="https://github.com/testing-library/dom-testing-library/commits?author=kentcdodds" title="Tests">⚠️</a></td>
-      <td align="center" valign="top" width="14.28%"><a href="https://argos-ci.com"><img src="https://avatars2.githubusercontent.com/u/266302?v=4?s=100" width="100px;" alt="Greg Bergé"/><br /><sub><b>Greg Bergé</b></sub></a><br /><a href="#ideas-neoziro" title="Ideas, Planning, & Feedback">🤔</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://www.smooth-code.com"><img src="https://avatars2.githubusercontent.com/u/266302?v=4?s=100" width="100px;" alt="Greg Bergé"/><br /><sub><b>Greg Bergé</b></sub></a><br /><a href="#ideas-neoziro" title="Ideas, Planning, & Feedback">🤔</a></td>
       <td align="center" valign="top" width="14.28%"><a href="http://audiolion.github.io"><img src="https://avatars1.githubusercontent.com/u/2430381?v=4?s=100" width="100px;" alt="Ryan Castner"/><br /><sub><b>Ryan Castner</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=audiolion" title="Documentation">📖</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://www.dnlsandiego.com"><img src="https://avatars0.githubusercontent.com/u/8008023?v=4?s=100" width="100px;" alt="Daniel Sandiego"/><br /><sub><b>Daniel Sandiego</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=dnlsandiego" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/Miklet"><img src="https://avatars2.githubusercontent.com/u/12592677?v=4?s=100" width="100px;" alt="Paweł Mikołajczyk"/><br /><sub><b>Paweł Mikołajczyk</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=Miklet" title="Code">💻</a></td>
@@ -348,6 +348,9 @@ Thanks goes to these people ([emoji key][emojis]):
       <td align="center" valign="top" width="14.28%"><a href="http://everlong.org/"><img src="https://avatars.githubusercontent.com/u/454175?v=4?s=100" width="100px;" alt="Julien Wajsberg"/><br /><sub><b>Julien Wajsberg</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=julienw" title="Code">💻</a> <a href="https://github.com/testing-library/dom-testing-library/issues?q=author%3Ajulienw" title="Bug reports">🐛</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/KevinBon"><img src="https://avatars.githubusercontent.com/u/1910927?v=4?s=100" width="100px;" alt="Kevin BON"/><br /><sub><b>Kevin BON</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=KevinBon" title="Code">💻</a> <a href="https://github.com/testing-library/dom-testing-library/issues?q=author%3AKevinBon" title="Bug reports">🐛</a></td>
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+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/sieem"><img src="https://avatars.githubusercontent.com/u/36861085?v=4?s=100" width="100px;" alt="sieem"/><br /><sub><b>sieem</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=sieem" title="Code">💻</a></td>
+    </tr>
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