fix(CI): 无法下载 aria2c 的问题

Author: MemoryShadow

.github/workflows/main.yml

@@ -189,7 +189,7 @@ jobs:
           docker run -itd -v ${pwd_path}:${pwd_path} --name centos7Instance --net="host" docker.io/centos:7.9.2009 /bin/bash
           docker exec -t centos7Instance curl -so /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
           echo yum update...
-          docker exec -t centos7Instance bash -c "yum install -y http://mirror.math.princeton.edu/pub/epel/7/x86_64/Packages/a/aria2-1.34.0-5.el7.x86_64.rpm > /dev/null; \
+          docker exec -t centos7Instance bash -c "yum install -y http://mirrors.aliyun.com/epel/7/x86_64/Packages/a/aria2-1.34.0-5.el7.x86_64.rpm > /dev/null; \
             yum install -y ${pwd_path}/packages/${{ needs.build.outputs.RPM_AMD64 }} | grep 'minecraftctl' | grep -v '\[#* *\]'; \
             minecraftctl help;\
             cat /etc/minecraftctl/config | grep --color '^export GamePath=\"\${HOME}/Minecraft\"$';\