Eu configurei minha linha em /etc/apt/sources.list
andrew@big-red-wired:~$ grep wine /etc/apt/sources.list
deb https://dl.winehq.org/wine-builds/ubuntu/ artful main
# deb-src https://dl.winehq.org/wine-builds/ubuntu/ bionic main
andrew@big-red-wired:~$
As coisas funcionam bem.
HTH, Andrew.