chore(ci): send alert message when stencil-nightly fails

Send alert to a Discord channel using a webhook.

Author: OS-jacobbell

.github/workflows/stencil-nightly.yml

@@ -225,3 +225,13 @@ jobs:
       - name: Check build matrix status
         if: ${{ needs.test-react-e2e.result != 'success' }}
         run: exit 1
+
+  send-results-massages:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Notify on Discord
+        if: failure()
+        run: |
+          curl -H "Content-Type:application/json" \
+          -d '{"embeds": [{"title": "❌ Workflow ${{github.workflow}} #${{github.run_number}} Failed", "color": 16711680, "url": "${{github.server_url}}/${{github.repository}}/actions/runs/${{github.run_id}}"}]}' \
+          ${{secrets.DISCORD_NOTIFY_WEBHOOK}}