docs: add Swimburger as a contributor for bug (#103)

* docs: update CONTRIBUTORS.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

@@ -59,6 +59,15 @@
       "contributions": [
         "bug"
       ]
+    },
+    {
+      "login": "Swimburger",
+      "name": "Niels Swimberghe",
+      "avatar_url": "https://avatars.githubusercontent.com/u/3382717?v=4",
+      "profile": "https://swimburger.net",
+      "contributions": [
+        "bug"
+      ]
     }
   ],
   "contributorsPerLine": 7,

CONTRIBUTORS.md

@@ -1,5 +1,5 @@
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-6-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-7-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 ## Contributors
@@ -16,6 +16,7 @@
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/KieranDevvs"><img src="https://avatars.githubusercontent.com/u/21192520?v=4?s=100" width="100px;" alt="Kieran Devlin"/><br /><sub><b>Kieran Devlin</b></sub></a><br /><a href="#ideas-KieranDevvs" title="Ideas, Planning, & Feedback">🤔</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/osexpert"><img src="https://avatars.githubusercontent.com/u/33638596?v=4?s=100" width="100px;" alt="osexpert"/><br /><sub><b>osexpert</b></sub></a><br /><a href="#ideas-osexpert" title="Ideas, Planning, & Feedback">🤔</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/deg-mallard"><img src="https://avatars.githubusercontent.com/u/125990147?v=4?s=100" width="100px;" alt="deg-mallard"/><br /><sub><b>deg-mallard</b></sub></a><br /><a href="https://github.com/OlegRa/System.DateTimeOnly/issues?q=author%3Adeg-mallard" title="Bug reports">🐛</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://swimburger.net"><img src="https://avatars.githubusercontent.com/u/3382717?v=4?s=100" width="100px;" alt="Niels Swimberghe"/><br /><sub><b>Niels Swimberghe</b></sub></a><br /><a href="https://github.com/OlegRa/System.DateTimeOnly/issues?q=author%3ASwimburger" title="Bug reports">🐛</a></td>
     </tr>
   </tbody>
 </table>