ci: add cron schedule and integration guardian job

.github/workflows/ci-cloud.yml

@@ -1,7 +1,11 @@
 name: Cloud integration
 
 # see: https://help.github.com/en/actions/reference/events-that-trigger-workflows
-on: [push, workflow_dispatch]
+on:
+  push:
+  workflow_dispatch:
+  schedule:
+    - cron: "0 0 * * *"
 
 defaults:
   run:
@@ -56,3 +60,19 @@ jobs:
           env_vars: OS,PYTHON
           name: codecov-umbrella
           fail_ci_if_error: false
+
+  integration-guardian:
+    runs-on: ubuntu-latest
+    needs: integration
+    if: always()
+    steps:
+      - run: echo "${{ needs.integration.result }}"
+      - name: failing...
+        if: needs.integration.result == 'failure'
+        run: exit 1
+      - name: cancelled or skipped...
+        if: contains(fromJSON('["cancelled", "skipped"]'), needs.integration.result)
+        timeout-minutes: 1
+        run: sleep 90
+
+  # todo add job to report failing tests with cron