Increase operations-per-run for stale workflow (#1632)

Author: christophfroehlich

.github/workflows/stale.yml

@@ -24,3 +24,4 @@ jobs:
           days-before-pr-close: -1
           exempt-all-milestones: true
           exempt-issue-labels: good first issue,good second issue,persistent,release,roadmap,Epic
+          operations-per-run: 100