refactor: move RawValue out of the spec namespace

Author: itsjavi

src/Spec/v3/RawValue.php src/RawValue.phpsrc/Spec/v3/RawValue.php renamed to src/RawValue.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace erasys\OpenApi\Spec\v3;
+namespace erasys\OpenApi;
 
 /**
  * Represents a raw value.

src/Spec/v3/AbstractObject.php

@@ -3,6 +3,7 @@
 namespace erasys\OpenApi\Spec\v3;
 
 use ArrayAccess;
+use erasys\OpenApi\RawValue;
 use Illuminate\Contracts\Support\Arrayable;
 use Illuminate\Contracts\Support\Jsonable;
 use JsonSerializable;