ci: align failure artifact retention with repo default (30 days)

Author: arnabwahid

.github/workflows/ci.yml

@@ -206,7 +206,7 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: ci-logs
-          retention-days: 3
+          retention-days: 30
           path: |
             ci-logs/**