docs: Update the maintainer.

Adolfo, Brian and Braden have been defacto maintainers here just make
that official.

Author: feanil

catalog-info.yaml

@@ -14,8 +14,8 @@ metadata:
       title: "Documentation"
       icon: "Article"
   annotations:
-    openedx.org/arch-interest-groups: "jmbowman"
+    openedx.org/arch-interest-groups: ""
 spec:
-  owner: 
+  owner: "group:frontend-all"
   type: 'library'
   lifecycle: 'production'