fix: use accessible crawler build mirrors

docker/crawler/Dockerfile

@@ -10,14 +10,13 @@ ENV TZ=Asia/Shanghai \
 
 WORKDIR /app
 
-RUN apt-get update \
+RUN sed -i 's|http://deb.debian.org|https://mirrors.aliyun.com|g' /etc/apt/sources.list.d/debian.sources \
+    && apt-get update \
     && apt-get install -y --no-install-recommends \
         bash \
         ca-certificates \
         cron \
         curl \
-        gcc \
-        g++ \
         tzdata \
     && rm -rf /var/lib/apt/lists/*