[fix] update opencv-python-headless version

Dockerfile

@@ -10,7 +10,6 @@ ENV PATH="/home/user/.local/bin:$PATH"
 WORKDIR /app
 
 COPY --chown=user ./requirements.txt requirements.txt
-RUN apt-get update && apt-get install libgl1
 RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
 COPY --chown=user . /app

requirements.txt

@@ -10,7 +10,7 @@ python-dotenv>=1.0.0
 gradio>=4.0.0
 requests>=2.31.0
 librosa==0.10.2.post1
-opencv-python-headless
+opencv-python-headless==4.8.1.78
 ultralytics==8.3.59
 torch==2.5.1
 torchvision==0.20.1