Updates a staff member.
Each time the staff member is updated, revision increments by 1.
You must include current revision of the staff member when updating it.
This ensures you're working with the latest service information and prevents unintended overwrites.
You can only call this method when authenticated as a Wix app or Wix user identity.
This method doesn't return any custom errors, but may return standard errors. Learn more about standard Wix errors.