Add system dependency installation to docs deploy workflow

Author: berangerthomas

.github/workflows/docs-deploy.yml

@@ -25,6 +25,9 @@ jobs:
         with:
           python-version: '3.11'
 
+      - name: Install system dependencies
+        run: sudo apt-get update && sudo apt-get install -y portaudio19-dev
+
       - name: Install dependencies
         run: |
           pip install uv