By default, if a job does not complete successfully (meaning that an
acknowledgement is not received from the handler, then it will be
retried with exponential backoff according to the settings in
RetryConfig.
The time limit for retrying a failed job, measured from time
when an execution was first attempted. If specified with [retr
y_count][google.cloud.scheduler.v1beta1.RetryConfig.retry_co
unt], the job will be retried until both limits are reached.
The default value for max_retry_duration is zero, which
means retry duration is unlimited.
The maximum amount of time to wait before retrying a job after
it fails. The default value of this field is 1 hour.
