docs: add henhal as a contributor (#541)

* docs: update README.md [skip ci]

* docs: update .all-contributorsrc [skip ci]

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -204,7 +204,8 @@
       "profile": "https://github.com/henhal",
       "contributions": [
         "code",
-        "doc"
+        "doc",
+        "test"
       ]
     },
     {

README.md

@@ -192,7 +192,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://github.com/BlooJeans"><img src="https://avatars2.githubusercontent.com/u/1751182?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Matt Jeanes</b></sub></a><br /><a href="https://github.com/drwpow/openapi-typescript/commits?author=BlooJeans" title="Code">💻</a></td>
     <td align="center"><a href="https://www.selbekk.io"><img src="https://avatars1.githubusercontent.com/u/1307267?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Kristofer Giltvedt Selbekk</b></sub></a><br /><a href="https://github.com/drwpow/openapi-typescript/commits?author=selbekk" title="Code">💻</a></td>
     <td align="center"><a href="https://mause.me"><img src="https://avatars2.githubusercontent.com/u/1405026?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Elliana May</b></sub></a><br /><a href="https://github.com/drwpow/openapi-typescript/commits?author=Mause" title="Code">💻</a> <a href="https://github.com/drwpow/openapi-typescript/commits?author=Mause" title="Tests">⚠️</a></td>
-    <td align="center"><a href="https://github.com/henhal"><img src="https://avatars3.githubusercontent.com/u/9608258?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Henrik Hall</b></sub></a><br /><a href="https://github.com/drwpow/openapi-typescript/commits?author=henhal" title="Code">💻</a> <a href="https://github.com/drwpow/openapi-typescript/commits?author=henhal" title="Documentation">📖</a></td>
+    <td align="center"><a href="https://github.com/henhal"><img src="https://avatars3.githubusercontent.com/u/9608258?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Henrik Hall</b></sub></a><br /><a href="https://github.com/drwpow/openapi-typescript/commits?author=henhal" title="Code">💻</a> <a href="https://github.com/drwpow/openapi-typescript/commits?author=henhal" title="Documentation">📖</a> <a href="https://github.com/drwpow/openapi-typescript/commits?author=henhal" title="Tests">⚠️</a></td>
     <td align="center"><a href="https://dev.to/gr2m"><img src="https://avatars3.githubusercontent.com/u/39992?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Gregor Martynus</b></sub></a><br /><a href="https://github.com/drwpow/openapi-typescript/commits?author=gr2m" title="Code">💻</a> <a href="https://github.com/drwpow/openapi-typescript/commits?author=gr2m" title="Tests">⚠️</a> <a href="https://github.com/drwpow/openapi-typescript/issues?q=author%3Agr2m" title="Bug reports">🐛</a></td>
     <td align="center"><a href="http://samn.co.uk"><img src="https://avatars2.githubusercontent.com/u/408983?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Sam Mesterton-Gibbons</b></sub></a><br /><a href="https://github.com/drwpow/openapi-typescript/commits?author=samdbmg" title="Code">💻</a> <a href="https://github.com/drwpow/openapi-typescript/issues?q=author%3Asamdbmg" title="Bug reports">🐛</a> <a href="https://github.com/drwpow/openapi-typescript/commits?author=samdbmg" title="Tests">⚠️</a></td>
   </tr>