Update stale.yml

Author: hbutler25

.github/workflows/stale.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/stale@v1
+    - uses: actions/stale@v9.1.0
       with:
         repo-token: ${{ secrets.GITHUB_TOKEN }}