Exempt issues tagged with "status: blocked"

.github/stale.yaml

@@ -6,6 +6,7 @@ daysUntilClose: 7
 exemptLabels:
   - "status: accepted"
   - "status: gathering feedback"
+  - "status: blocked"
 # Label to use when marking an issue as stale
 staleLabel: wontfix
 # Comment to post when marking an issue as stale. Set to `false` to disable