build(docker): add bind-tools package for scripting

Dockerfile

@@ -40,6 +40,7 @@ WORKDIR /root
 RUN mkdir -p /sysroot/etc/apk && cp -r /etc/apk/* /sysroot/etc/apk/
 RUN apk add --no-cache --initdb -p /sysroot \
       alpine-baselayout \
+      bind-tools \
       busybox \
       ca-certificates \
       jq \