docs: add andrewarosario as a contributor for doc (testing-library#924)

Author: allcontributors[bot]

.all-contributorsrc

@@ -1600,6 +1600,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "andrewarosario",
+      "name": "Andrew Rosário",
+      "avatar_url": "https://avatars.githubusercontent.com/u/21269337?v=4",
+      "profile": "https://andrewrosario.medium.com/",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -365,6 +365,7 @@ Thanks goes to these wonderful people
   </tr>
   <tr>
     <td align="center"><a href="http://stevenfrieson.com"><img src="https://avatars.githubusercontent.com/u/15187179?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Steven Frieson</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=sfrieson" title="Documentation">📖</a></td>
+    <td align="center"><a href="https://andrewrosario.medium.com/"><img src="https://avatars.githubusercontent.com/u/21269337?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Andrew Rosário</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=andrewarosario" title="Documentation">📖</a></td>
   </tr>
 </table>