docs: add olzhasar as a contributor for bug, and doc (litestar-org#3865)

* docs: update README.md [skip ci]

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

---------

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

.all-contributorsrc

@@ -1904,6 +1904,16 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "olzhasar",
+      "name": "Olzhas Arystanov",
+      "avatar_url": "https://avatars.githubusercontent.com/u/12471703?v=4",
+      "profile": "https://olzhasar.com",
+      "contributions": [
+        "bug",
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -582,6 +582,7 @@ see [the contribution guide](CONTRIBUTING.rst).
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/mohammedbabelly20"><img src="https://avatars.githubusercontent.com/u/104768048?v=4?s=100" width="100px;" alt="Mohammed Babelly"/><br /><sub><b>Mohammed Babelly</b></sub></a><br /><a href="https://github.com/litestar-org/litestar/commits?author=mohammedbabelly20" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://keybase.io/charlesdyfisnet"><img src="https://avatars.githubusercontent.com/u/22370?v=4?s=100" width="100px;" alt="Charles Duffy"/><br /><sub><b>Charles Duffy</b></sub></a><br /><a href="https://github.com/litestar-org/litestar/commits?author=charles-dyfis-net" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/RenameMe1"><img src="https://avatars.githubusercontent.com/u/165988121?v=4?s=100" width="100px;" alt="Evgeny Demchenko"/><br /><sub><b>Evgeny Demchenko</b></sub></a><br /><a href="https://github.com/litestar-org/litestar/commits?author=RenameMe1" title="Documentation">📖</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://olzhasar.com"><img src="https://avatars.githubusercontent.com/u/12471703?v=4?s=100" width="100px;" alt="Olzhas Arystanov"/><br /><sub><b>Olzhas Arystanov</b></sub></a><br /><a href="https://github.com/litestar-org/litestar/issues?q=author%3Aolzhasar" title="Bug reports">🐛</a> <a href="https://github.com/litestar-org/litestar/commits?author=olzhasar" title="Documentation">📖</a></td>
     </tr>
   </tbody>
 </table>