Update actions/stale action to v9 (#825)

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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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### 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>

---

### Configuration

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

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **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.

---

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

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This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://developer.mend.io/github/X-oss-byte/Nextjs).

.github/workflows/issue_stale.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.repository_owner == 'vercel'
     steps:
-      - uses: actions/stale@v8
+      - uses: actions/stale@v9
         id: stale-no-repro
         name: 'Close stale issues with no reproduction'
         with:
@@ -23,7 +23,7 @@ jobs:
           days-before-pr-stale: -1
           exempt-issue-labels: 'blocked,must,should,keep'
           operations-per-run: 300 # 1 operation per 100 issues, the rest is to label/comment/close
-      - uses: actions/stale@v8
+      - uses: actions/stale@v9
         id: stale-no-canary
         name: 'Close issues not verified on canary'
         with: