chore: downgrade issues workflow (#350)

Author: just-boris

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

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Stale issue job
     steps:
-      - uses: aws-actions/stale-issue-cleanup@v7
+      - uses: aws-actions/stale-issue-cleanup@v6
         with:
           issue-types: issues