feat: upload npm logs as artifact on failure

.github/workflows/provisioning-tests.yml

@@ -86,6 +86,14 @@ jobs:
              Devstack provisioning tests in ${{github.repository}} for ${{matrix.services}} failed! For details see <https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}>.
              Runbook url: https://2u-internal.atlassian.net/wiki/spaces/AT/pages/16384920/Failure+Devstack+provisioning+tests+-+Runbook
 
+      - name: upload logs as artifact on failure
+        if: ${{ failure() }}
+        uses: actions/upload-artifact@v3
+        with:
+          name: npm-install-log
+          path: test_root/log/npm-install.log
+          retention-days: 5
+
       - name: close alerts on success
         if: ${{ !failure() && github.ref == 'refs/heads/master' }}
         uses: dawidd6/action-send-mail@v3