chore(Storybook): set build target to esnext (#7641)

Author: Lukas742

.storybook/main.ts

@@ -2,6 +2,7 @@ import { dirname, join } from 'path';
 import type { StorybookConfig } from '@storybook/react-vite';
 import remarkGfm from 'remark-gfm';
 import type { StoriesEntry } from 'storybook/internal/types';
+import { mergeConfig } from 'vite';
 import { isChromatic } from './utils.ts';
 
 const isDevMode = process.env.NODE_ENV === 'development';
@@ -78,6 +79,12 @@ const config: StorybookConfig = {
     reactDocgen: 'react-docgen-typescript',
   },
   staticDirs: isDevMode ? ['images-dev'] : ['images'],
+  viteFinal: (viteConfig) =>
+    mergeConfig(viteConfig, {
+      build: {
+        target: 'esnext',
+      },
+    }),
 };
 
 export default config;

vite.config.ts

@@ -22,6 +22,14 @@ export default defineConfig(() => {
         '@/': fileURLToPath(new URL('./', import.meta.url)),
       },
     },
+    optimizeDeps: {
+      esbuildOptions: {
+        target: 'esnext',
+      },
+    },
+    build: {
+      target: 'esnext',
+    },
     plugins: [
       react(),
       process.env.CYPRESS === 'true' &&