[12.x] Fix broken import (#58394)

* Fix import

* Fix CS

---------

Co-authored-by: Lucas Michot <lucas@zaiple.com>

Author: lucasmichot

src/Illuminate/Http/Resources/JsonApi/Concerns/ResolvesJsonApiElements.php

@@ -5,8 +5,8 @@
 use Generator;
 use Illuminate\Contracts\Support\Arrayable;
 use Illuminate\Database\Eloquent\Model;
-use Illuminate\Database\Eloquent\Relations\AsPivot;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Database\Eloquent\Relations\Concerns\AsPivot;
 use Illuminate\Database\Eloquent\Relations\Pivot;
 use Illuminate\Database\Eloquent\Relations\Relation;
 use Illuminate\Http\Resources\Json\JsonResource;