Reduce the number of days an issue is stale by 25
Reduce the number of days an issue is stale by 25

As we ease into a more reasonable `daysUntilStale` value, this
updates the time an issue will be marked as stale to about 3 years
and 4 months.

saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt