Update user or user group roles

Updates the roles of [users](https://learning.postman.com/docs/collaborating-in-postman/roles-and-permissions/#team-roles) or [user groups](https://learning.postman.com/docs/collaborating-in-postman/user-groups/) in a workspace. To get a list of roles, use the `GET /workspace-roles` endpoint. **Note:** - To use SCIM IDs, include the `identifierType=scim` header when you call this endpoint. To get SCIM user IDs, include the `include=scim` query parameter when calling the GET `/workspaces/{wo...