Bump aws-actions/stale-issue-cleanup from v3 to v4 (#2)

Bumps [aws-actions/stale-issue-cleanup](https://github.com/aws-actions/stale-issue-cleanup) from v3 to v4.
- [Release notes](https://github.com/aws-actions/stale-issue-cleanup/releases)
- [Commits](aws-actions/stale-issue-cleanup@v3...e9f9e34)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/close-stale-issues.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Stale issue job
     steps:
-    - uses: aws-actions/stale-issue-cleanup@v3
+    - uses: aws-actions/stale-issue-cleanup@v4
       with:
         ancient-issue-message: This issue has not received any attention in 1 year.  If you want to keep this issue open, please leave a comment below and auto-close will be canceled.
         stale-issue-message: This issue has not received a response in a while. If you want to keep this issue open, please leave a comment below and auto-close will be canceled.