Wait until after artifact cleanup to trigger integration tests.

Author: jonsimantov

.github/workflows/cpp-packaging.yml

@@ -670,9 +670,9 @@ jobs:
 
  trigger_integration_tests:
  # Trigger the integration_tests workflow.
- runs-on: ubuntu-latest
- needs: [merge_packages, download_sdk_package]
+ needs: [merge_packages, download_sdk_package, cleanup-packaging-artifacts]
  if: (github.event.inputs.skipIntegrationTests == 0 || github.event.inputs.skipIntegrationTests == '') && !cancelled()
+ runs-on: ubuntu-latest
  steps:
  - name: Checkout repo
  uses: actions/checkout@v2.3.1