Migrate to Storybook 8.2.6 (#8835)

### Description

This upgrades the `design-system/apps/docs` example to latest stable
Storybook version following the [migration
guide](https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#framework-specific-vite-plugins-have-to-be-explicitly-added)
from Storybook.

### Testing Instructions

1. `cd examples/design-system`
2. `pnpm install`
3. `pnpm dev`
4. view Storybook instance

docs/repo-docs/reference/watch.mdx

@@ -19,7 +19,7 @@ This means that persistent tasks will be ignored when using `turbo watch`, worki
 
 ### Dependency-aware persistent tasks
 
-When your script has a built-in watcher  (like `next dev`) capable of detecting changes in dependencies, you don't need to use `turbo watch`. Instead, use your script's built-in watcher and mark the task as long-running using [`"persistent": true`](/repo/docs/reference/configuration#persistent).
+When your script has a built-in watcher (like `next dev`) capable of detecting changes in dependencies, you don't need to use `turbo watch`. Instead, use your script's built-in watcher and mark the task as long-running using [`"persistent": true`](/repo/docs/reference/configuration#persistent).
 
 ### Persistent tasks without dependency awareness
 

examples/design-system/apps/docs/package.json

@@ -17,15 +17,15 @@
   },
   "devDependencies": {
     "@repo/eslint-config": "workspace:*",
-    "@storybook/addon-actions": "^7.6.17",
-    "@storybook/addon-essentials": "^7.6.17",
-    "@storybook/addon-links": "^7.6.17",
-    "@storybook/react": "^7.6.17",
-    "@storybook/react-vite": "^7.6.17",
+    "@storybook/addon-actions": "^8.2.6",
+    "@storybook/addon-essentials": "^8.2.6",
+    "@storybook/addon-links": "^8.2.6",
+    "@storybook/react": "^8.2.6",
+    "@storybook/react-vite": "^8.2.6",
     "@vitejs/plugin-react": "^4.2.1",
     "eslint": "^8.57.0",
     "serve": "^14.2.1",
-    "storybook": "^7.6.17",
+    "storybook": "^8.2.6",
     "@repo/typescript-config": "workspace:*",
     "typescript": "^5.3.3",
     "vite": "^5.1.4"

examples/design-system/apps/docs/vite.config.ts

@@ -0,0 +1,6 @@
+import { defineConfig } from "vite";
+import react from "@vitejs/plugin-react";
+
+export default defineConfig({
+  plugins: [react()],
+});