fix: wrong execution

fixed fucntion to use Exec insted of Raw.

internal/postgres/custom.go

@@ -16,7 +16,7 @@ func ExecuteRawStatement(ctx context.Context, db *gorm.DB, query string, args ..
 		return nil, errors.New("arguments can not be nil")
 	}
 
-	result, err := db.WithContext(ctx).Raw(query, args...).Rows()
+	result, err := db.WithContext(ctx).Exec(query, args...).Rows()
 	if err != nil {
 		return nil, err
 	}