docs: add Rub1kCube as a contributor for test (#708)

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -456,6 +456,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "Rub1kCube",
+      "name": "Rub1kCube",
+      "avatar_url": "https://avatars.githubusercontent.com/u/90901892?v=4",
+      "profile": "https://github.com/Rub1kCube",
+      "contributions": [
+        "test"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -154,6 +154,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/nisemenov"><img src="https://avatars.githubusercontent.com/u/117774141?v=4?s=100" width="100px;" alt="Nikita Semenov"/><br /><sub><b>Nikita Semenov</b></sub></a><br /><a href="https://github.com/litestar-org/polyfactory/commits?author=nisemenov" title="Code">💻</a> <a href="https://github.com/litestar-org/polyfactory/commits?author=nisemenov" title="Documentation">📖</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://mikebian.co/"><img src="https://avatars.githubusercontent.com/u/150855?v=4?s=100" width="100px;" alt="Michael Bianco"/><br /><sub><b>Michael Bianco</b></sub></a><br /><a href="https://github.com/litestar-org/polyfactory/commits?author=iloveitaly" title="Code">💻</a> <a href="https://github.com/litestar-org/polyfactory/commits?author=iloveitaly" title="Documentation">📖</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/marcuslimdw"><img src="https://avatars.githubusercontent.com/u/42759889?v=4?s=100" width="100px;" alt="Marcus"/><br /><sub><b>Marcus</b></sub></a><br /><a href="https://github.com/litestar-org/polyfactory/commits?author=marcuslimdw" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/Rub1kCube"><img src="https://avatars.githubusercontent.com/u/90901892?v=4?s=100" width="100px;" alt="Rub1kCube"/><br /><sub><b>Rub1kCube</b></sub></a><br /><a href="https://github.com/litestar-org/polyfactory/commits?author=Rub1kCube" title="Tests">⚠️</a></td>
     </tr>
   </tbody>
 </table>