hackage-packages.nix: automatic Haskell package set update

This update was generated by hackage2nix v2.2.1-10-g4e4961f from Hackage revision
https://github.com/commercialhaskell/all-cabal-hashes/commit/e2c9a8916e8d005f3c9e6a55f7fc717fdaf4394c.