Hackage4Nix.hs: consider files for updating regardless of how they fetch their sources
Hackage4Nix.hs: consider files for updating regardless of how they fetch their sources

Just because a particular version of package is being fetched from
Github, it doesn't mean that future versions won't appear on Hackage
that we might want to update to.

jb55/cabal2nix,Fuuzetsu/cabal2nix,dmalikov/cabal2nix,spencerjanssen/cabal2nix,gridaphobe/cabal2nix,psibi/cabal2nix,bennofs/cabal2nix