Fix Docker build: add ca-certificates for wget

Dockerfile

@@ -7,6 +7,7 @@ RUN apt-get update && apt-get install -y \
     libgl1-mesa-glx \
     libglib2.0-0 \
     wget \
+    ca-certificates \
     && rm -rf /var/lib/apt/lists/*
 
 # Copy requirements and install Python dependencies