docs: def update_iteration(self):
          """Update the last experiment group's iteration with experiment performance."""
          iteration_config = self.get_iteration_config()
          if not iteration_config:
              return
          experiments_metrics = self.experiment_group.get_experiments_metrics(
              experiment_ids=iteration_config.experiment_ids,
              metric=self.get_metric_name()
          )
          experiments_configs = self.experiment_group.get_experiments_declarations(
              experiment_ids=iteration_config.experiment_ids
          )
          iteration_config.experiments_configs = list(experiments_configs)
          iteration_config.experiments_metrics = [m for m in experiments_metrics if m[1] is not None]
          self._update_config(iteration_config)