Fix docker script (#9854)

* Dockerfile: change source path of the newly added check_sync.sh (#9869)

Author: 5chdn

scripts/docker/hub/Dockerfile

@@ -31,7 +31,7 @@ COPY artifacts/x86_64-unknown-linux-gnu/$TARGET ./bin/$TARGET
 RUN echo "#!/bin/bash \n ${TARGET} \$@" > ./entrypoint.sh
 RUN chmod +x ./entrypoint.sh
 
-ADD check_sync.sh /check_sync.sh
+COPY scripts/docker/hub/check_sync.sh /check_sync.sh
 
 # setup ENTRYPOINT
 EXPOSE 5001 8080 8082 8083 8545 8546 8180 30303/tcp 30303/udp