Fix PHPStan description of Closure returning a union type (#47352)

Author: ondrejmirtes

types/Database/Eloquent/Factories/Factory.php

@@ -113,8 +113,8 @@ public function definition()
 // assertType('Closure(): Illuminate\Database\Eloquent\Collection<int, User>|User', $factory->lazy([
 //     'string' => 'string',
 // ]));
-assertType('Closure(): Illuminate\Database\Eloquent\Collection<int, Illuminate\Database\Eloquent\Model>|Illuminate\Database\Eloquent\Model', $factory->lazy());
-assertType('Closure(): Illuminate\Database\Eloquent\Collection<int, Illuminate\Database\Eloquent\Model>|Illuminate\Database\Eloquent\Model', $factory->lazy([
+assertType('Closure(): (Illuminate\Database\Eloquent\Collection<int, Illuminate\Database\Eloquent\Model>|Illuminate\Database\Eloquent\Model)', $factory->lazy());
+assertType('Closure(): (Illuminate\Database\Eloquent\Collection<int, Illuminate\Database\Eloquent\Model>|Illuminate\Database\Eloquent\Model)', $factory->lazy([
     'string' => 'string',
 ]));