At the moment, the vercel_team_config resource incorrectly implements Access Group support. If a team has SAML roles mapped access groups, the provider deletes the mappings.

This is a breaking change

steps for upgrading 👇

1. Update schema for vercel_team_config.saml
   1. If vercel_team_config.saml.access_group_id is specified: remove it
   2. If vercel_team_config.saml.roles is specified: change the values of the object from strings to objects with the format { role = "<role e.g. VIEWER>" } | { access_group_id = "<access_group_id>" }
2. Refresh the terraform state with terraform refresh or terraform apply

// before
resource "vercel_team_config" "test_team" {
  ...
  saml = {
    enforced = <boolean>
    access_group_id = "<access_group_id>"
    roles = {
     <directory_group_id> = "<role e.g. VIEWER>"
    }
  }
}

// after
resource "vercel_team_config" "test_team" {
  ...
  saml = {
    enforced = <boolean>
    roles = {
      <directory_group_id> = {
        role = "<role e.g. VIEWER>"
      }
      <directory_group_id> = {
        access_group_id = "<access_group_id>"
      }
    }
  }
}