docs: add gibfahn as a contributor for bug (#1612)

* docs: update CONTRIBUTORS.md

* docs: update .all-contributorsrc

---------

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

.all-contributorsrc

@@ -1694,6 +1694,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "gibfahn",
+      "name": "Gibson Fahnestock",
+      "avatar_url": "https://avatars.githubusercontent.com/u/15943089?v=4",
+      "profile": "https://fahn.co",
+      "contributions": [
+        "bug"
+      ]
     }
   ],
   "repoType": "github",

CONTRIBUTORS.md

@@ -247,6 +247,7 @@ Thanks goes to these wonderful people ([emoji key](https://github.com/kentcdodds
       <td align="center" valign="top" width="14.28%"><a href="http://about.earrayminkoff.tech"><img src="https://avatars.githubusercontent.com/u/33302691?v=4?s=100" width="100px;" alt="Eli Array Minkoff"/><br /><sub><b>Eli Array Minkoff</b></sub></a><br /><a href="https://github.com/ryanoasis/nerd-fonts/issues?q=author%3Aeliminmax" title="Bug reports">🐛</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://www.tehpers.com"><img src="https://avatars.githubusercontent.com/u/2214247?v=4?s=100" width="100px;" alt="TehPers"/><br /><sub><b>TehPers</b></sub></a><br /><a href="https://github.com/ryanoasis/nerd-fonts/issues?q=author%3ATehPers" title="Bug reports">🐛</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/chansey97"><img src="https://avatars.githubusercontent.com/u/4015056?v=4?s=100" width="100px;" alt="Siyuan Chen"/><br /><sub><b>Siyuan Chen</b></sub></a><br /><a href="https://github.com/ryanoasis/nerd-fonts/commits?author=chansey97" title="Documentation">📖</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://fahn.co"><img src="https://avatars.githubusercontent.com/u/15943089?v=4?s=100" width="100px;" alt="Gibson Fahnestock"/><br /><sub><b>Gibson Fahnestock</b></sub></a><br /><a href="https://github.com/ryanoasis/nerd-fonts/issues?q=author%3Agibfahn" title="Bug reports">🐛</a></td>
     </tr>
   </tbody>
 </table>