docs: add diegohaz as a contributor for ideas (#640)

* docs: update README.md

* docs: update .all-contributorsrc

---------

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -236,7 +236,8 @@
       "profile": "https://twitter.com/diegohaz",
       "contributions": [
         "bug",
-        "code"
+        "code",
+        "ideas"
       ]
     },
     {

README.md

@@ -1494,7 +1494,7 @@ Thanks goes to these people ([emoji key][emojis]):
     </tr>
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="http://josephhsu.com"><img src="https://avatars1.githubusercontent.com/u/648?v=4?s=100" width="100px;" alt="Joe Hsu"/><br /><sub><b>Joe Hsu</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=jhsu" title="Documentation">📖</a></td>
-      <td align="center" valign="top" width="14.28%"><a href="https://twitter.com/diegohaz"><img src="https://avatars3.githubusercontent.com/u/3068563?v=4?s=100" width="100px;" alt="Haz"/><br /><sub><b>Haz</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/issues?q=author%3Adiegohaz" title="Bug reports">🐛</a> <a href="https://github.com/testing-library/jest-dom/commits?author=diegohaz" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://twitter.com/diegohaz"><img src="https://avatars3.githubusercontent.com/u/3068563?v=4?s=100" width="100px;" alt="Haz"/><br /><sub><b>Haz</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/issues?q=author%3Adiegohaz" title="Bug reports">🐛</a> <a href="https://github.com/testing-library/jest-dom/commits?author=diegohaz" title="Code">💻</a> <a href="#ideas-diegohaz" title="Ideas, Planning, & Feedback">🤔</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://blog.revathskumar.com"><img src="https://avatars3.githubusercontent.com/u/463904?v=4?s=100" width="100px;" alt="Revath S Kumar"/><br /><sub><b>Revath S Kumar</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=revathskumar" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://raccoon.studio"><img src="https://avatars0.githubusercontent.com/u/4989733?v=4?s=100" width="100px;" alt="hiwelo."/><br /><sub><b>hiwelo.</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=hiwelo" title="Code">💻</a> <a href="#ideas-hiwelo" title="Ideas, Planning, & Feedback">🤔</a> <a href="https://github.com/testing-library/jest-dom/commits?author=hiwelo" title="Tests">⚠️</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/lukaszfiszer"><img src="https://avatars3.githubusercontent.com/u/1201711?v=4?s=100" width="100px;" alt="Łukasz Fiszer"/><br /><sub><b>Łukasz Fiszer</b></sub></a><br /><a href="https://github.com/testing-library/jest-dom/commits?author=lukaszfiszer" title="Code">💻</a></td>