Process stale issues from oldest to newest (#1539)

* process stale issues from oldest to newest and increase operations / run

* process issues from oldest to newest in stale workflow

Author: ryanwinter

.github/workflows/stale.yml

@@ -30,6 +30,6 @@ jobs:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           exempt-all-assignees: true
           exempt-all-milestones: true
-          ascending: false
+          ascending: true
           operations-per-run: 100
           debug-only: false