feat: allow adding extra rbac roles

[etwillbefine]

No description provided.

[github-actions]

terraform fmt Failed

./service-account.tf

 }
 
 locals {
-  service_accounts_roles = [for s in var.service_accounts: {
+  service_accounts_roles = [for s in var.service_accounts : {
     name             = s.name
     rules            = s.rules
     service_accounts = s.name

Workflow: terraform, Action: hashicorpterraform-github-actions2, Working Directory: .