docs: update README.md [skip ci]

Author: allcontributors[bot]

README.md

@@ -1836,7 +1836,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
       <td align="center" valign="top" width="14.28%"><a href="http://hector.im"><img src="https://avatars.githubusercontent.com/u/12469549?v=4?s=100" width="100px;" alt="Héctor Chong"/><br /><sub><b>Héctor Chong</b></sub></a><br /><a href="#content-Hector-Chong" title="Content">🖋</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/nakmr"><img src="https://avatars.githubusercontent.com/u/145886319?v=4?s=100" width="100px;" alt="nace.kimura"/><br /><sub><b>nace.kimura</b></sub></a><br /><a href="#content-nakmr" title="Content">🖋</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/WuRuiLei2023"><img src="https://avatars.githubusercontent.com/u/149141323?v=4?s=100" width="100px;" alt="WuRuiLei2023"/><br /><sub><b>WuRuiLei2023</b></sub></a><br /><a href="https://github.com/ethereum/ethereum-org-website/issues?q=author%3AWuRuiLei2023" title="Bug reports">🐛</a></td>
-      <td align="center" valign="top" width="14.28%"><a href="http://www.edukids.cz"><img src="https://avatars.githubusercontent.com/u/6020891?v=4?s=100" width="100px;" alt="Radek"/><br /><sub><b>Radek</b></sub></a><br /><a href="#eventOrganizing-radeksvarz" title="Event Organizing">📋</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="http://www.edukids.cz"><img src="https://avatars.githubusercontent.com/u/6020891?v=4?s=100" width="100px;" alt="Radek"/><br /><sub><b>Radek</b></sub></a><br /><a href="#eventOrganizing-radeksvarz" title="Event Organizing">📋</a> <a href="#maintenance-radeksvarz" title="Maintenance">🚧</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/bhargavkakadiya"><img src="https://avatars.githubusercontent.com/u/26486494?v=4?s=100" width="100px;" alt="Bhargav kakadiya"/><br /><sub><b>Bhargav kakadiya</b></sub></a><br /><a href="https://github.com/ethereum/ethereum-org-website/issues?q=author%3Abhargavkakadiya" title="Bug reports">🐛</a></td>
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