Add missing constructor parameter for db migrator

Author: marc1706

tests/ext_test.php

@@ -74,6 +74,7 @@ protected function create_extension_manager()
 			$phpbb_root_path,
 			$php_ext,
 			$table_prefix,
+			self::get_core_tables(),
 			[],
 			new \phpbb\db\migration\helper()
 		);