Update contributors [skip ci]

Author: hipstersmoothie

.all-contributorsrc

@@ -594,6 +594,17 @@
         "test",
         "code"
       ]
+    },
+    {
+      "login": "mathieubergeron",
+      "name": "Mathieu Bergeron",
+      "avatar_url": "https://avatars.githubusercontent.com/u/5585923?v=4",
+      "profile": "https://github.com/mathieubergeron",
+      "contributions": [
+        "doc",
+        "test",
+        "code"
+      ]
     }
   ],
   "commitConvention": "none"

README.md

@@ -285,6 +285,7 @@ Thanks goes to these wonderful people ([emoji key](https://github.com/kentcdodds
   </tr>
   <tr>
     <td align="center"><a href="https://lshadler.github.io/"><img src="https://avatars.githubusercontent.com/u/23409677?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Lucas Shadler</b></sub></a><br /><a href="https://github.com/intuit/auto/commits?author=sumwatshade" title="Documentation">📖</a> <a href="https://github.com/intuit/auto/commits?author=sumwatshade" title="Tests">⚠️</a> <a href="https://github.com/intuit/auto/commits?author=sumwatshade" title="Code">💻</a></td>
+    <td align="center"><a href="https://github.com/mathieubergeron"><img src="https://avatars.githubusercontent.com/u/5585923?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Mathieu Bergeron</b></sub></a><br /><a href="https://github.com/intuit/auto/commits?author=mathieubergeron" title="Documentation">📖</a> <a href="https://github.com/intuit/auto/commits?author=mathieubergeron" title="Tests">⚠️</a> <a href="https://github.com/intuit/auto/commits?author=mathieubergeron" title="Code">💻</a></td>
   </tr>
 </table>