[10.x] Make ComponentAttributeBag JsonSerializable (#48338)

* [10.x] Make ComponentAttributeBag JsonSerializable

* Fix return type

* Explicit mixed return type

* Update ComponentAttributeBag.php

---------

Co-authored-by: Taylor Otwell <taylor@laravel.com>

src/Illuminate/View/ComponentAttributeBag.php

@@ -11,9 +11,10 @@
 use Illuminate\Support\Traits\Conditionable;
 use Illuminate\Support\Traits\Macroable;
 use IteratorAggregate;
+use JsonSerializable;
 use Traversable;
 
-class ComponentAttributeBag implements ArrayAccess, Htmlable, IteratorAggregate
+class ComponentAttributeBag implements ArrayAccess, IteratorAggregate, JsonSerializable, Htmlable
 {
     use Conditionable, Macroable;
 
@@ -455,6 +456,16 @@ public function getIterator(): Traversable
         return new ArrayIterator($this->attributes);
     }
 
+    /**
+     * Convert the object into a JSON serializable form.
+     *
+     * @return mixed
+     */
+    public function jsonSerialize(): mixed
+    {
+        return $this->attributes;
+    }
+
     /**
      * Implode the attributes into a single HTML ready string.
      *