Features: 1) Add filter_fields to product tags in graphene object types;

Fixes: 1) None;

Extra: 1) None;

core/graphene/object_types.py

@@ -463,6 +463,7 @@ class ProductTagType(DjangoObjectType):
         model = ProductTag
         interfaces = (relay.Node,)
         fields = ("uuid", "tag_name", "name", "product_set")
+        filter_fields = ["uuid", "tag_name", "name"]
         description = _("product tags")