Increase stale operations count

- Currently uses default 30 and thats too low
- Also update to latest version of the action

.github/workflows/stale.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.repository == 'trinodb/trino'
     steps:
-      - uses: actions/stale@v8.0.0
+      - uses: actions/stale@v9.0.0
         with:
           stale-pr-message: 'This pull request has gone a while without any activity. Tagging the Trino developer relations team: @bitsondatadev @colebow @mosabua'
           days-before-pr-stale: 21
@@ -21,3 +21,4 @@ jobs:
           stale-pr-label: 'stale'
           start-date: '2023-01-01T00:00:00Z'
           exempt-draft-pr: true
+          operations-per-run: 150