chore(deps): update actions/stale action to v9 (#15858)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/stale](https://togithub.com/actions/stale) | action | major |
`v8` -> `v9` |

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> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

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### Release Notes

<details>
<summary>actions/stale (actions/stale)</summary>

### [`v9`](https://togithub.com/actions/stale/compare/v8...v9)

[Compare Source](https://togithub.com/actions/stale/compare/v8...v9)

</details>

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### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

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This PR has been generated by [Renovate
Bot](https://togithub.com/renovatebot/renovate).

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.github/workflows/stale.yaml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Check for stale issues and PRs
-        uses: actions/stale@1160a2240286f5da8ec72b1c0816ce2481aabf84 # v8
+        uses: actions/stale@28ca1036281a5e5922ead5184a1bbf96e5fc984e # v9
         with:
           repo-token: ${{ secrets.BOT_TOKEN }}
           days-before-issue-stale: 180