Fix OpenGL package name for newer Debian

Dockerfile

@@ -4,14 +4,15 @@ FROM python:3.11-slim
 # Set working directory
 WORKDIR /app
 
-# Install system dependencies
+# Install system dependencies for OpenCV
 RUN apt-get update && apt-get install -y \
     build-essential \
-    libgl1-mesa-glx \
+    libgl1 \
     libglib2.0-0 \
     libsm6 \
     libxext6 \
     libxrender-dev \
+    libgomp1 \
     && rm -rf /var/lib/apt/lists/*
 
 # Copy reachy_mini package source (dependency of rmscript)