r&d: test triggering

.github/workflows/github-actions-demo.yml

@@ -5,6 +5,7 @@ jobs:
   Explore-GitHub-Actions:
     runs-on: ubuntu-latest
     steps:
+      - run: "Hello trigger!"
       - run: echo "🎉 The job was automatically triggered by a ${{ github.event_name }} event."
       - run: echo "🐧 This job is now running on a ${{ runner.os }} server hosted by GitHub!"
       - run: echo "🔎 The name of your branch is ${{ github.ref }} and your repository is ${{ github.repository }}."