gnupg-scdaemon && gnupg combination throws
when both packages are installed, apk throws an error. It is caused by this file (gnupg-scdaemon.pre-install), which is used by both packages.
The line could be changed to this:
/usr/bin/getent group gnupg 2>&1 > /dev/null || /usr/sbin/groupadd gnupg
https://git.alpinelinux.org/aports/tree/main/gnupg/gnupg-scdaemon.pre-install