Mohammed is troubleshooting an error in his workflow configuration, preventing it from running. What is wrong with this workflow configuration? name : learn - github - actions run - name : $ {{ github . actor }} is testing out GitHub Actions 🚀 jobs : Explore - GitHub - Actions : runs - on : ubuntu - latest steps : - run : echo "🎉 The job was triggered by a ${{ github.event_name }} event." - run : echo "🐧 This job is running on a ${{ runner.os }} server hosted by GitHub!" - run : echo "🔎 The branch ${{ github.ref }} and the repository is ${{ github.repository }}." - name : List files in the repository run : | ls $ {{ github . workspace }}