Update Dockerfile

step node:22-bookworm-slim to node:22-bookworm

Dockerfile

@@ -102,7 +102,7 @@ exec openclaw gateway run --port $PORT\n\
 ' > /usr/local/bin/start-openclaw && chmod +x /usr/local/bin/start-openclaw
 
 # ========== 阶段2：最终运行镜像 ==========
-FROM node:22-bookworm-slim
+FROM node:22-bookworm
 
 ENV LANG=zh_CN.UTF-8 \
     LANGUAGE=zh_CN:zh \