Merge pull request #23322 from ricardoasmarques/wip-role-management-api

mgr/dashboard: Add REST API for role management

Reviewed-by: Ricardo Dias <rdias@suse.com>
Reviewed-by: Tatjana Dehler <tdehler@suse.com>
Reviewed-by: Volker Theile <vtheile@suse.com>

diff --cc src/pybind/mgr/dashboard/services/access_control.py
Simple merge