Added PHP 8.1 support.

Cannot add test cases due to lack of Mockery support for PHP 8.1.

Author: Bilge

src/Collection/RecordCollection.php

@@ -29,6 +29,7 @@ public function next(): void
         $this->records->next();
     }
 
+    #[\ReturnTypeWillChange]
     /**
      * @return mixed
      */