docs: add AllanChain as a contributor for bug (#876)

* 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

@@ -242,6 +242,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "AllanChain",
+      "name": "Allan Chain",
+      "avatar_url": "https://avatars.githubusercontent.com/u/36528777?v=4",
+      "profile": "https://allanchain.github.io/",
+      "contributions": [
+        "bug"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -531,6 +531,7 @@ To develop locally, clone this repository and run `. script/bootstrap` to instal
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/michaljelonek"><img src="https://avatars.githubusercontent.com/u/7791528?v=4?s=100" width="100px;" alt="Michał Jelonek"/><br /><sub><b>Michał Jelonek</b></sub></a><br /><a href="https://github.com/syrupy-project/syrupy/commits?author=michaljelonek" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/ManiacDC"><img src="https://avatars.githubusercontent.com/u/1823305?v=4?s=100" width="100px;" alt="ManiacDC"/><br /><sub><b>ManiacDC</b></sub></a><br /><a href="https://github.com/syrupy-project/syrupy/commits?author=ManiacDC" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://schemathesis.io/"><img src="https://avatars.githubusercontent.com/u/1236561?v=4?s=100" width="100px;" alt="Dmitry Dygalo"/><br /><sub><b>Dmitry Dygalo</b></sub></a><br /><a href="https://github.com/syrupy-project/syrupy/commits?author=Stranger6667" title="Documentation">📖</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://allanchain.github.io/"><img src="https://avatars.githubusercontent.com/u/36528777?v=4?s=100" width="100px;" alt="Allan Chain"/><br /><sub><b>Allan Chain</b></sub></a><br /><a href="https://github.com/syrupy-project/syrupy/issues?q=author%3AAllanChain" title="Bug reports">🐛</a></td>
     </tr>
   </tbody>
 </table>