upgrade rack 3

spec/factories/account_configs.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+FactoryBot.define do
+  factory :account_config do
+    account
+  end
+end

spec/factories/user_configs.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+FactoryBot.define do
+  factory :user_config do
+    user
+  end
+end