<build>: fix github-actions-demo.yml

Author: PapyrusNotes

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

@@ -24,6 +24,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - run: echo "This job tests exercise problem in DescriptiveStatistics directory "
+      - name: Check out repository code
+        uses: actions/checkout@v4
+      - 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
         run: |
           echo "Listing all files in DescriptiveStatistics of the workspace directory "