adapt files for stepclusterissuer

api/v1beta1/stepclusterissuer_types.go

...ig/rbac/cert_manager_controller_approver_clusterrole.yaml

config/rbac/role.yaml

config/rbac/stepclusterissuer_editor_role.yaml

config/rbac/stepclusterissuer_viewer_role.yaml

config/samples/certmanager_v1beta1_stepclusterissuer.yaml

config/samples/stepclusterissuer.yaml

controllers/stepclusterissuer_controller.go

main.go