Update .github/workflows/stale-actions.yml

Author: mfroembgen

.github/workflows/stale-actions.yml

@@ -7,7 +7,7 @@ jobs:
   stale:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/stale@v7
+      - uses: actions/stale@v8
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           # Staling issues and PR's