add support for rbac_binding_config #2398
Description
TL;DR
this feature just got added to the upstream provider
hashicorp/terraform-provider-google#22746
it is documented as one of the GKE best practices so we should implement it here
https://cloud.google.com/kubernetes-engine/docs/best-practices/rbac#prevent-default-group-usage
Terraform Resources
Detailed design
Additional information
No response