refactor(locales, sw): use es module (#11204)

* refactor(locales): use es module

* fix sw build

* fix gulp

* try fixing storybook

* Revert "try fixing storybook"

This reverts commit 5f2a4eee01.

* try fixing storybook 2

* Update main.ts

* Update build.js

* Update main.ts

* Update changes.ts

* fix sw lint

* Update build.js

packages/frontend/.storybook/preload-locale.ts

@@ -1,9 +1,8 @@
 import { writeFile } from 'node:fs/promises';
-import { resolve } from 'node:path';
-import * as locales from '../../../locales';
+import * as locales from '../../../locales/index.js';
 
-writeFile(
-	resolve(__dirname, 'locale.ts'),
+await writeFile(
+	new URL('locale.ts', import.meta.url),
 	`export default ${JSON.stringify(locales['ja-JP'], undefined, 2)} as const;`,
 	'utf8',
 )