Update stale.yml (microsoft#12813)

* Update stale.yml

Change the number of days of inactivity before an issue becomes stale from 60 to 5 and the number of days of inactivity before a stale issue is closed from 7 to 5. Update the exempt labels based on the redefined set of GH labels.

* Implement stale.yml feedback.

.github/stale.yml

@@ -1,15 +1,14 @@
 # Number of days of inactivity before an issue becomes stale
-daysUntilStale: 60
+daysUntilStale: 30
 
 # Number of days of inactivity before a stale issue is closed
 daysUntilClose: 7
 
 # Issues with these labels will never be considered stale
 exemptLabels:
-  - status:contributions-welcome 
-  - status:more-info-needed 
-  - status:duplicate
-  - type:enhancement
+  - contributions welcome
+  - feature request
+  - regression
 
 # Label to use when marking an issue as stale
 staleLabel: stale