add exportRender method to be used in datatable-buttons for render print + exports as expected: bugfix for static analysis with phpstan

Author: mrezagolestan

src/Html/Column.php

@@ -494,7 +494,7 @@ public function render(mixed $value): static
     /**
      * Set Callback function to render column for Print + Export
      *
-     * @param  function  $callback
+     * @param  callable  $callback
      * @return $this
 
      */