CI: tests don't run because semigroups is not being built

[stertooy]

#I  SubSemi: entering LoadPackage 
#I  SubSemi: PackageAvailabilityInfo for version 0.86
#I  SubSemi: PackageAvailabilityInfo: the AvailabilityTest function returned 'true'
#I  SubSemi: PackageAvailabilityInfo: check needed packages
#I           semigroups (>=5.4.0)
#I  Semigroups: PackageAvailabilityInfo for version 5.5.4
#I              (required: >=5.4.0)
#I  Semigroups: the kernel module is not compiled, 
#I              the package cannot be loaded.
Error, Variable: 'SubSemiInfoClass' must have a value
#I  Semigroups: PackageAvailabilityInfo: the AvailabilityTest function returned false
#I  Semigroups: PackageAvailabilityInfo: no installed version fits
#I  SubSemi: PackageAvailabilityInfo: dependency 'semigroups' is not satisfied
#I  SubSemi: PackageAvailabilityInfo: check of needed packages done
#I  SubSemi: PackageAvailabilityInfo: no installed version fits
#I  SubSemi: return from LoadPackage, package is not available

Trying to get a fix in.