(maint) update modsync / fix build
(maint) update modsync / fix build

We don't use DevKit in CI, so it should not be required for
normal testing purposes.

ferventcoder/puppetlabs-powershell,jpogran/puppetlabs-powershell,jpogran/puppetlabs-powershell,puppetlabs/puppetlabs-powershell,Iristyle/puppetlabs-powershell