docs: add nickmccurdy as a contributor (#626)

* 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

@@ -1015,7 +1015,8 @@
       "profile": "https://nickmccurdy.com/",
       "contributions": [
         "doc",
-        "code"
+        "code",
+        "test"
       ]
     },
     {

README.md

@@ -262,7 +262,7 @@ Thanks goes to these people ([emoji key][emojis]):
     <td align="center"><a href="https://github.com/benmonro"><img src="https://avatars3.githubusercontent.com/u/399236?v=4" width="100px;" alt=""/><br /><sub><b>Ben Monro</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=benmonro" title="Code">💻</a> <a href="#ideas-benmonro" title="Ideas, Planning, & Feedback">🤔</a> <a href="https://github.com/testing-library/dom-testing-library/commits?author=benmonro" title="Tests">⚠️</a> <a href="https://github.com/testing-library/dom-testing-library/commits?author=benmonro" title="Documentation">📖</a></td>
     <td align="center"><a href="https://github.com/smeijer"><img src="https://avatars1.githubusercontent.com/u/1196524?v=4" width="100px;" alt=""/><br /><sub><b>Stephan Meijer</b></sub></a><br /><a href="#ideas-smeijer" title="Ideas, Planning, & Feedback">🤔</a> <a href="https://github.com/testing-library/dom-testing-library/commits?author=smeijer" title="Code">💻</a> <a href="https://github.com/testing-library/dom-testing-library/commits?author=smeijer" title="Tests">⚠️</a></td>
     <td align="center"><a href="https://joaoforja.com/"><img src="https://avatars2.githubusercontent.com/u/7002157?v=4" width="100px;" alt=""/><br /><sub><b>João Forja</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=Jnforja" title="Code">💻</a> <a href="https://github.com/testing-library/dom-testing-library/commits?author=Jnforja" title="Tests">⚠️</a></td>
-    <td align="center"><a href="https://nickmccurdy.com/"><img src="https://avatars0.githubusercontent.com/u/927220?v=4" width="100px;" alt=""/><br /><sub><b>Nick McCurdy</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=nickmccurdy" title="Documentation">📖</a> <a href="https://github.com/testing-library/dom-testing-library/commits?author=nickmccurdy" title="Code">💻</a></td>
+    <td align="center"><a href="https://nickmccurdy.com/"><img src="https://avatars0.githubusercontent.com/u/927220?v=4" width="100px;" alt=""/><br /><sub><b>Nick McCurdy</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=nickmccurdy" title="Documentation">📖</a> <a href="https://github.com/testing-library/dom-testing-library/commits?author=nickmccurdy" title="Code">💻</a> <a href="https://github.com/testing-library/dom-testing-library/commits?author=nickmccurdy" title="Tests">⚠️</a></td>
     <td align="center"><a href="http://calebmer.com"><img src="https://avatars1.githubusercontent.com/u/8282507?v=4" width="100px;" alt=""/><br /><sub><b>Caleb Meredith</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=calebmer" title="Code">💻</a></td>
   </tr>
 </table>