* chore: update docling-core & regenerate test data Signed-off-by: Panos Vagenas <pva@zurich.ibm.com> * update backends to leverage new list modeling Signed-off-by: Panos Vagenas <pva@zurich.ibm.com> * repin docling-core Signed-off-by: Panos Vagenas <pva@zurich.ibm.com> * ensure availability of latest docling-core API Signed-off-by: Panos Vagenas <pva@zurich.ibm.com> --------- Signed-off-by: Panos Vagenas <pva@zurich.ibm.com>