Avoid matching multi-line imports (#43093)
Avoid matching multi-line imports (#43093)

Multi-line imports are broken:
```
use Illuminate\Foundation\Testing\{
    DatabaseTransactions,
    WithFaker,
};
```
Results in output:
```
    DatabaseTransactions,
    WithFaker,
use Illuminate\Foundation\Testing\{
};
```
arturock/framework,JamesForks/framework,hafezdivandari/framework,arturock/framework,driesvints/framework,JamesForks/framework,lucasmichot/framework,laravel/framework,lucasmichot/framework,hafezdivandari/framework,arturock/framework,driesvints/framework,laravel/framework