Create project team role

curl --request POST \
  --url https://api.buildr.com/api/2023-01/project_team_roles \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --data '{
  "project_team_role": {
    "project_team_membership_id": "123",
    "role": "project_manager"
  }
}'

{
  "project_team_role": {
    "id": "830",
    "created_at": "2023-02-14T18:13:00Z",
    "updated_at": "2023-04-03T20:16:30Z",
    "role": "project_manager",
    "name": "Project Manager"
  }
}