bug#76479: Shepherd 1.0.2 build failure on aarch64-linux

Hi, Zacchaeus skribis: > I am having some trouble updating my home environment on aarch64-linux > as shepherd fails to build. I tried rebuilding multiple times hoping it > would sort itself out like in #30299, but it might take a few more days > if my puny Librem 5 needs to rebuild it 19 times

bug#76479: Shepherd 1.0.2 build failure on aarch64-linux

After a recent guix pull, this problem seems to be fixed. eikcaz-