Update github-actions-demo.yml

Author: rasmusbj

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

@@ -15,12 +15,13 @@ jobs:
         run: |
           ls ${{ github.workspace }}
       - run: echo "🍏 This job's status is ${{ job.status }}."
-      - name: Start virtual display server
-        if: runner.os == 'Linux'
-        run: |
-          sudo apt-get install -y xvfb
-          Xvfb :99 &
-          echo "DISPLAY=:99" >> $GITHUB_ENV
+      - name: Setup Git for Windows' minimal SDK
+        uses: git-for-windows/setup-git-for-windows-sdk@v1
+        with:
+          flavor: full
+      - name: Build
+        shell: bash
+        run: make
       - name: Set up MATLAB
         uses: matlab-actions/setup-matlab@v2
       - name: Run script