[Dockerfile] Update to aria2 from 1.30.0 to 1.31.0 for arm distribution
[Dockerfile] Update to aria2 from 1.30.0 to 1.31.0 for arm distribution

ziahamza/webui-aria2,slime7/webui-aria2,slime7/webui-aria2,ghostry/webui-aria2,kuoruan/webui-aria2,ziahamza/webui-aria2,ghostry/webui-aria2,kuoruan/webui-aria2