shuf: update for latest Rust
shuf: update for latest Rust

sshling/coreutils,Shtong/coreutils,retep998/coreutils,ebfe/coreutils,Gianbaoluo/coreutils,hexsel/coreutils,Shir0kamii/coreutils,uutils/coreutils,kevgeniy/coreutils,keunwoo/coreutils,bundai223/coreutils,ebfe/coreutils,kevgeniy/coreutils,steveklabnik/coreutils,bundai223/coreutils,dennis/coreutils,Arcterus/coreutils,kball/coreutils,Shtong/coreutils,beni55/coreutils,keunwoo/coreutils,dokaptur/coreutils,uutils/coreutils,mauricio/coreutils,retep998/coreutils,dbrgn/coreutils,mauricio/coreutils,tempbottle/coreutils,kball/coreutils,dbrgn/coreutils,wimh/coreutils,silvio/rust-coreutils,uutils/coreutils,filmor/coreutils,Heather/coreutils,polapl/coreutils,steveklabnik/coreutils,hexsel/coreutils,polapl/coreutils,Shir0kamii/coreutils,dbrgn/coreutils,samfoo/coreutils,tempbottle/coreutils,kwantam/coreutils,beni55/coreutils,Heather/coreutils,jbcrail/coreutils,efuquen/coreutils,filmor/coreutils,Arcterus/coreutils,kwantam/coreutils,dennis/coreutils,jbcrail/coreutils,wimh/coreutils,efuquen/coreutils,silvio/rust-coreutils,sshling/coreutils,Gianbaoluo/coreutils,samfoo/coreutils