
Adds the parent node support and tests in one change including all DB/Model/API changes along with RBAC and basic API tests. * Updates the API version to 1.83 * Adds parent_node and related index to the nodes table. * Adds new API parameters to list by parent node relationship. Depends-On: https://review.opendev.org/c/openstack/ironic/+/883967 Change-Id: I8d64fee7105718199986db4994e13352d639f04f