docs: add fmeum as a contributor for code, bug (#1016)

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -1297,6 +1297,16 @@
       "contributions": [
         "bug"
       ]
+    },
+    {
+      "login": "fmeum",
+      "name": "Fabian Meumertzheim",
+      "avatar_url": "https://avatars.githubusercontent.com/u/4312191?v=4",
+      "profile": "https://hen.ne.ke",
+      "contributions": [
+        "code",
+        "bug"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -614,6 +614,7 @@ Thanks goes to these people ([emoji key][emojis]):
   <tr>
     <td align="center"><a href="https://github.com/ImADrafter"><img src="https://avatars.githubusercontent.com/u/44379989?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Marcos Gómez</b></sub></a><br /><a href="https://github.com/testing-library/react-testing-library/commits?author=ImADrafter" title="Documentation">📖</a></td>
     <td align="center"><a href="https://www.akashshyam.online/"><img src="https://avatars.githubusercontent.com/u/56759828?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Akash Shyam</b></sub></a><br /><a href="https://github.com/testing-library/react-testing-library/issues?q=author%3Aakashshyamdev" title="Bug reports">🐛</a></td>
+    <td align="center"><a href="https://hen.ne.ke"><img src="https://avatars.githubusercontent.com/u/4312191?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Fabian Meumertzheim</b></sub></a><br /><a href="https://github.com/testing-library/react-testing-library/commits?author=fmeum" title="Code">💻</a> <a href="https://github.com/testing-library/react-testing-library/issues?q=author%3Afmeum" title="Bug reports">🐛</a></td>
   </tr>
 </table>