docs: add marianna-exelate as a contributor (#613)

* 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

@@ -529,6 +529,15 @@
         "bug",
         "code"
       ]
+    },
+    {
+      "login": "marianna-exelate",
+      "name": "marianna-exelate",
+      "avatar_url": "https://avatars.githubusercontent.com/u/24763042?v=4",
+      "profile": "https://github.com/marianna-exelate",
+      "contributions": [
+        "infra"
+      ]
     }
   ],
   "skipCi": true,

README.md

@@ -240,7 +240,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://github.com/yoniholmes"><img src="https://avatars.githubusercontent.com/u/184589?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Jonathan Holmes</b></sub></a><br /><a href="https://github.com/testing-library/react-hooks-testing-library/commits?author=yoniholmes" title="Code">💻</a></td>
     <td align="center"><a href="https://michaeldeboey.be"><img src="https://avatars.githubusercontent.com/u/6643991?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Michaël De Boey</b></sub></a><br /><a href="#maintenance-MichaelDeBoey" title="Maintenance">🚧</a></td>
     <td align="center"><a href="https://github.com/xobotyi"><img src="https://avatars.githubusercontent.com/u/6178739?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Anton Zinovyev</b></sub></a><br /><a href="https://github.com/testing-library/react-hooks-testing-library/issues?q=author%3Axobotyi" title="Bug reports">🐛</a> <a href="https://github.com/testing-library/react-hooks-testing-library/commits?author=xobotyi" title="Code">💻</a></td>
-    <td align="center"><a href="https://github.com/kiragona"><img src="https://avatars.githubusercontent.com/u/4787291?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Marianna Etelson</b></sub></a><br /><a href="https://github.com/testing-library/react-hooks-testing-library/commits?author=kiragona" title="Code">💻</a></td>
+    <td align="center"><a href="https://github.com/marianna-exelate"><img src="https://avatars.githubusercontent.com/u/24763042?v=4?s=100" width="100px;" alt=""/><br /><sub><b>marianna-exelate</b></sub></a><br /><a href="#infra-marianna-exelate" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td>
   </tr>
 </table>