Can not access data in some region

[jieguangzhou]

Add https://ghproxy.com/ to be proxy, fix the download_data.sh like below

mkdir -p /tmp/fifa
wget https://ghproxy.com/https://raw.githubusercontent.com/jieguangzhou/FIFA-World-Cup-2022/master/data/international_matches.csv -O /tmp/fifa/international_matches.csv
wget https://ghproxy.com/https://raw.githubusercontent.com/jieguangzhou/FIFA-World-Cup-2022/master/data/schedule.csv -O /tmp/fifa/schedule.csv