[Bugfix] Fix import statement in soft deletes trait (#433)

Author: rekrios

src/Eloquent/Concerns/SoftDeletesModels.php

@@ -20,7 +20,7 @@
 use Carbon\Carbon;
 use CloudCreativity\LaravelJsonApi\Utils\Str;
 use Illuminate\Database\Eloquent\Model;
-use Illuminate\Database\Schema\Builder;
+use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Support\Arr;
 use Illuminate\Support\Collection;