Updates the role of a member in an organization.
owner, admin, developer, operator, viewer.success if successful, error if not.error if not successful.UNAUTHORIZED: The user is not authenticated.ONLY_OWNER_CAN_UPDATE_ROLE: Only the organization owner can update member roles.CANNOT_CHANGE_OWNER_ROLE: The owner’s role cannot be changed.INVALID_ROLE: The provided role is invalid.MEMBER_NOT_FOUND: The specified user is not a member of the organization.ORG_ID_MUST_BE_STRING: The provided organization ID is not a string.USER_ID_MUST_BE_STRING: The provided user ID is not a string.ROLE_MUST_BE_STRING: The provided role is not a string.