Fix billy in .all-contributorsrc

Whoops #391 (comment)

cc @Billy-

Author: Kent C. Dodds

.all-contributorsrc

@@ -532,10 +532,10 @@
       ]
     },
     {
-      "login": "Billy",
-      "name": "Billy",
-      "avatar_url": "https://avatars2.githubusercontent.com/u/48111?v=4",
-      "profile": "https://github.com/billy",
+      "login": "Billy-",
+      "name": "Billy Matthews",
+      "avatar_url": "https://avatars2.githubusercontent.com/u/4316168?v=4",
+      "profile": "https://github.com/Billy-",
       "contributions": [
         "talk",
         "doc"