Update actions/stale action to v11

| datasource  | package       | from    | to      |
| ----------- | ------------- | ------- | ------- |
| github-tags | actions/stale | v10.4.0 | v11.0.0 |


Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/stale.yml

@@ -13,7 +13,7 @@ jobs:
       pull-requests: write # for actions/stale to close stale PRs
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/stale@1e223db275d687790206a7acac4d1a11bd6fe629 # v10.4.0
+      - uses: actions/stale@4391f3da665fdf50b6810c1a66712fb9ba21aa93 # v11.0.0
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           stale-issue-message: "This issue is stale because it has been open 90 days with no activity. Remove stale label or comment or this will be closed in 10 days."