use DB type constants

Signed-off-by: Julien Veyssier <julien-nc@posteo.net>

Author: julien-nc

core/Migrations/Version28000Date20230728104802.php

@@ -88,7 +88,7 @@ public function changeSchema(IOutput $output, Closure $schemaClosure, array $opt
 				'length' => 255,
 				'default' => '',
 			]);
-			$table->addColumn('last_updated', 'integer', [
+			$table->addColumn('last_updated', Types::INTEGER, [
 				'notnull' => false,
 				'length' => 4,
 				'default' => 0,