Bump aws-actions/stale-issue-cleanup from 3 to 6 (#238)

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

Author: dependabot[bot]

.github/workflows/stale_issue.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Stale issue job
     steps:
-    - uses: aws-actions/stale-issue-cleanup@v3
+    - uses: aws-actions/stale-issue-cleanup@v6
       with:
         # Setting messages to an empty string will cause the automation to skip
         # that category