docs: update .all-contributorsrc [skip ci]

allcontributors[bot] · web-flow · commit fc2814737713 · 2020-11-29T10:01:13.000Z
diff --git a/.all-contributorsrc b/.all-contributorsrc
@@ -62,7 +62,8 @@
         "doc",
         "infra",
         "design",
-        "review"
+        "review",
+        "bug"
       ]
     },
     {
