chore: update scripts to work on windows (#42632)

Update `package.json` for Windows users.
1. `concurrently` isn't working with single quotes 🤷🏻
2. `--watch` isn't actually passed, because of that `tailwind` compiles only once and exits.

## Bug

- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`

## Feature

- [ ] Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
- [ ] Telemetry added. In case of a feature if it's used or not.
- [ ] Errors have a helpful link attached, see `contributing.md`

## Documentation / Examples

- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)

examples/with-turbopack/package.json

@@ -2,7 +2,7 @@
   "private": true,
   "scripts": {
     "dev": "next dev --turbo",
-    "dev:tailwind": "concurrently 'next dev --turbo' 'npm run tailwind --watch'",
+    "dev:tailwind": "concurrently \"next dev --turbo\" \"npm run tailwind -- --watch\"",
     "build": "next build",
     "start": "next start",
     "lint": "next lint",