Log the beginning of the task execution

def _log_begin(self):
        """ Log the beginning of the task execution """
        self.logger.info("Beginning task: %s", self.__class__.__name__)
        if self.salesforce_task and not self.flow:
            self.logger.info("%15s %s", "As user:", self.org_config.username)
            self.logger.info("%15s %s", "In org:", self.org_config.org_id)
        self.logger.info("")