Bump actions/stale from 9 to 10 (#6)

Author: dependabot[bot]

.github/workflows/stale.yml

@@ -19,7 +19,7 @@ jobs:
           app-id: ${{ secrets.KDEVBOT_APP_ID }}
           private-key: ${{ secrets.KDEVBOT_PRIVATE_KEY }}
 
-      - uses: actions/stale@v9
+      - uses: actions/stale@v10
         with:
           repo-token: ${{ steps.auth.outputs.token }}
           days-before-stale: 14