Try again to run github-actions-demo.yml

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

@@ -9,7 +9,7 @@ jobs:
       - run: echo "The job was automatically triggered by a ${{ github.event_name }} event."
       - run: echo "The name of your branch is ${{ github.ref }} and your repository is ${{ github.repository }}."
       - name: Check out repository code
-        uses: actions/main
+        uses: actions/checkout@main
       - run: echo "The ${{ github.repository }} repository has been cloned to the runner."
       - run: echo "The workflow is now ready to test your code on the runner."
       - name: List files in the repository