ci: add build workflow and ensure deps (pyinstaller, requests, ffmpeg-python)

Author: mauriciomenon

.github/workflows/build.yml

@@ -32,7 +32,8 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           if [ -f requirements.txt ]; then pip install -r requirements.txt; else pip install PyQt6; fi
-          pip install pyinstaller
+          # Ensure common runtime deps are available for PyInstaller analysis
+          pip install pyinstaller requests ffmpeg-python
 
       - name: Build PyQt6 app
         shell: bash