Update import to use storybook/manager-api

Author: Guilherme da Silva Amorim

packages/mocks/storybook/addon/manager.js

@@ -2,7 +2,7 @@
 
 import { createAddon } from '@web/storybook-utils';
 import React from 'react';
-import { addons, types } from 'storybook/internal/manager-api';
+import { addons, types } from 'storybook/manager-api';
 import { registerAddon } from './register-addon.js';
 
 // Storybook 7+