docs: add astorije as a contributor for code, ideas (#433)

* 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

@@ -677,6 +677,16 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "astorije",
+      "name": "Jérémie Astori",
+      "avatar_url": "https://avatars.githubusercontent.com/u/113730?v=4",
+      "profile": "https://jeremie.astori.fr",
+      "contributions": [
+        "code",
+        "ideas"
+      ]
     }
   ],
   "repoHost": "https://github.com",

README.md

@@ -1359,6 +1359,7 @@ Thanks goes to these people ([emoji key][emojis]):
     <td align="center"><a href="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/yannbf"><img src="https://avatars.githubusercontent.com/u/1671563?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Yann Braga</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=yannbf" title="Code">💻</a></td>
     <td align="center"><a href="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/IanVS"><img src="https://avatars.githubusercontent.com/u/4616705?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Ian VanSchooten</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=IanVS" title="Code">💻</a></td>
     <td align="center"><a href="http://chantalbroeren.nl"><img src="https://avatars.githubusercontent.com/u/7499806?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Chantal Broeren</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=cbroeren" title="Documentation">📖</a></td>
+    <td align="center"><a href="https://jeremie.astori.fr"><img src="https://avatars.githubusercontent.com/u/113730?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Jérémie Astori</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=astorije" title="Code">💻</a> <a href="#ideas-astorije" title="Ideas, Planning, & Feedback">🤔</a></td>
   </tr>
 </table>