docs: add delca85 as a contributor (#706)

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -1125,6 +1125,16 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "delca85",
+      "name": "Bianca Del Carretto",
+      "avatar_url": "https://avatars1.githubusercontent.com/u/4076043?v=4",
+      "profile": "https://github.com/delca85",
+      "contributions": [
+        "test",
+        "code"
+      ]
     }
   ],
   "repoHost": "https://github.com"

README.md

@@ -279,6 +279,7 @@ Thanks goes to these people ([emoji key][emojis]):
   <tr>
     <td align="center"><a href="https://github.com/idanen"><img src="https://avatars2.githubusercontent.com/u/1687893?v=4" width="100px;" alt=""/><br /><sub><b>Idan Entin</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=idanen" title="Code">💻</a> <a href="https://github.com/testing-library/dom-testing-library/commits?author=idanen" title="Tests">⚠️</a></td>
     <td align="center"><a href="https://www.linkedin.com/in/deniz-susman-92b40a145/"><img src="https://avatars1.githubusercontent.com/u/39295979?v=4" width="100px;" alt=""/><br /><sub><b>Deniz Susman</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=DenrizSusam" title="Code">💻</a></td>
+    <td align="center"><a href="https://github.com/delca85"><img src="https://avatars1.githubusercontent.com/u/4076043?v=4" width="100px;" alt=""/><br /><sub><b>Bianca Del Carretto</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=delca85" title="Tests">⚠️</a> <a href="https://github.com/testing-library/dom-testing-library/commits?author=delca85" title="Code">💻</a></td>
   </tr>
 </table>