add ffmpeg dependency to run-examples.yml

Author: waltsims

.github/workflows/run-examples.yml

@@ -31,6 +31,11 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      - name: Install system dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y ffmpeg
+
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
@@ -48,4 +53,4 @@ jobs:
           KWAVE_FORCE_CPU: 1
         run: |
           echo "Running example: ${{ matrix.example }}"
-          python "${{ matrix.example }}" 
+          python "${{ matrix.example }}"