dxp/issues#489 Support for index types has been removed

https://git.drupalcode.org/project/elasticsearch_helper/-/commit/61f9a3b10dbb0d1bd59128435e2b7d08ab542fbe

If we merge and tag that one first we'd have that fixed for both D10 and D9 before I revert e1639129 for D9 compat.