1739 upload logs after failure

.github/workflows/ci.yml

@@ -227,7 +227,8 @@ jobs:
           echo "::endgroup::"
       - name: Upload logs
         uses: actions/[email protected]
+        if: failure()
         with:
           name: killbill-${{ matrix.docker-compose-file }}.txt
           path: /var/tmp/killbill.txt
-          retention-days: 1
+          retention-days: 3