docs: add joshuakgoldberg as a contributor for bug (#366)

Adds @JoshuaKGoldberg as a contributor for bug.

This was requested by JoshuaKGoldberg [in this
comment](#364 (comment))

---------

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

.all-contributorsrc

@@ -17,7 +17,8 @@
         "infra",
         "maintenance",
         "projectManagement",
-        "tool"
+        "tool",
+        "bug"
       ]
     }
   ],

README.md

@@ -50,7 +50,7 @@ if (auth.succeeded) {
 <table>
   <tbody>
     <tr>
-      <td align="center" valign="top" width="14.28%"><a href="http://www.joshuakgoldberg.com/"><img src="https://avatars.githubusercontent.com/u/3335181?v=4?s=100" width="100px;" alt="Josh Goldberg ✨"/><br /><sub><b>Josh Goldberg ✨</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/get-github-auth-token/commits?author=JoshuaKGoldberg" title="Code">💻</a> <a href="#content-JoshuaKGoldberg" title="Content">🖋</a> <a href="https://github.com/JoshuaKGoldberg/get-github-auth-token/commits?author=JoshuaKGoldberg" title="Documentation">📖</a> <a href="#ideas-JoshuaKGoldberg" title="Ideas, Planning, & Feedback">🤔</a> <a href="#infra-JoshuaKGoldberg" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="#maintenance-JoshuaKGoldberg" title="Maintenance">🚧</a> <a href="#projectManagement-JoshuaKGoldberg" title="Project Management">📆</a> <a href="#tool-JoshuaKGoldberg" title="Tools">🔧</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="http://www.joshuakgoldberg.com/"><img src="https://avatars.githubusercontent.com/u/3335181?v=4?s=100" width="100px;" alt="Josh Goldberg ✨"/><br /><sub><b>Josh Goldberg ✨</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/get-github-auth-token/commits?author=JoshuaKGoldberg" title="Code">💻</a> <a href="#content-JoshuaKGoldberg" title="Content">🖋</a> <a href="https://github.com/JoshuaKGoldberg/get-github-auth-token/commits?author=JoshuaKGoldberg" title="Documentation">📖</a> <a href="#ideas-JoshuaKGoldberg" title="Ideas, Planning, & Feedback">🤔</a> <a href="#infra-JoshuaKGoldberg" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="#maintenance-JoshuaKGoldberg" title="Maintenance">🚧</a> <a href="#projectManagement-JoshuaKGoldberg" title="Project Management">📆</a> <a href="#tool-JoshuaKGoldberg" title="Tools">🔧</a> <a href="https://github.com/JoshuaKGoldberg/get-github-auth-token/issues?q=author%3AJoshuaKGoldberg" title="Bug reports">🐛</a></td>
     </tr>
   </tbody>
 </table>