Add OpenGL dependencies for OpenCV

Dockerfile

@@ -7,6 +7,11 @@ WORKDIR /app
 # Install system dependencies
 RUN apt-get update && apt-get install -y \
     build-essential \
+    libgl1-mesa-glx \
+    libglib2.0-0 \
+    libsm6 \
+    libxext6 \
+    libxrender-dev \
     && rm -rf /var/lib/apt/lists/*
 
 # Copy reachy_mini package source (dependency of rmscript)