refactor: no need to cast as string

Co-authored-by: Mathieu FERRE <[email protected]>

Author: yajra

src/Utilities/Request.php

@@ -197,7 +197,7 @@ protected function prepareKeyword(float|array|int|string $keyword): string
             $keyword = implode(' ', $keyword);
         }
 
-        return e((string) $keyword);
+        return e($keyword);
     }
 
     /**