feat(Audit): make the auditable() and user() method return types loose

Author: quetzyg

src/Audit.php

@@ -4,7 +4,6 @@
 
 use DateTimeInterface;
 use Illuminate\Database\Eloquent\Model;
-use Illuminate\Database\Eloquent\Relations\MorphTo;
 use Illuminate\Support\Facades\Config;
 use OwenIt\Auditing\Contracts\AttributeEncoder;
 
@@ -34,15 +33,15 @@ trait Audit
     /**
      * {@inheritdoc}
      */
-    public function auditable(): MorphTo
+    public function auditable()
     {
         return $this->morphTo();
     }
 
     /**
      * {@inheritdoc}
      */
-    public function user(): MorphTo
+    public function user()
     {
         return $this->morphTo();
     }

src/Contracts/Audit.php

@@ -2,8 +2,6 @@
 
 namespace OwenIt\Auditing\Contracts;
 
-use Illuminate\Database\Eloquent\Relations\MorphTo;
-
 interface Audit
 {
     /**
@@ -23,16 +21,16 @@ public function getTable(): string;
     /**
      * Get the auditable model to which this Audit belongs.
      *
-     * @return \Illuminate\Database\Eloquent\Relations\MorphTo
+     * @return mixed
      */
-    public function auditable(): MorphTo;
+    public function auditable();
 
     /**
      * User responsible for the changes.
      *
-     * @return \Illuminate\Database\Eloquent\Relations\MorphTo
+     * @return mixed
      */
-    public function user(): MorphTo;
+    public function user();
 
     /**
      * Audit data resolver.