Update Dockerfile

add golang install

Dockerfile

@@ -1,7 +1,7 @@
 FROM node:22-slim
 
 # Install system dependencies
-RUN apt-get update && apt-get install -y git && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y git && apt-get install golang -y && rm -rf /var/lib/apt/lists/*
 
 # Install OpenClaw globally
 RUN npm install -g openclaw@latest