docs: add julienw as a contributor for code, and bug (#1266)

* docs: update README.md

* docs: update .all-contributorsrc

---------

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -1616,6 +1616,16 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "julienw",
+      "name": "Julien Wajsberg",
+      "avatar_url": "https://avatars.githubusercontent.com/u/454175?v=4",
+      "profile": "http://everlong.org/",
+      "contributions": [
+        "code",
+        "bug"
+      ]
     }
   ],
   "repoHost": "https://github.com",

README.md

@@ -345,6 +345,7 @@ Thanks goes to these people ([emoji key][emojis]):
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/DaniAcu"><img src="https://avatars.githubusercontent.com/u/26409015?v=4?s=100" width="100px;" alt="Daniel Acuña"/><br /><sub><b>Daniel Acuña</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=DaniAcu" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/jlp-craigmorten"><img src="https://avatars.githubusercontent.com/u/124147726?v=4?s=100" width="100px;" alt="Craig Morten"/><br /><sub><b>Craig Morten</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=jlp-craigmorten" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://naor.dev"><img src="https://avatars.githubusercontent.com/u/6171622?v=4?s=100" width="100px;" alt="Naor Peled"/><br /><sub><b>Naor Peled</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=naorpeled" title="Code">💻</a></td>
+      <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>
     </tr>
   </tbody>
 </table>