haskell-safe: update to 0.3.8
haskell-cabal-lenses: update to 0.3
haskell-cabal-bounds: update to 0.8

doCheck = false; remains due to
https://github.com/dan-t/cabal-bounds/issues/3
haskell-sizes: update to 2.3.2
haskell-criterion: re-generate expression with cabal2nix
haskell-aeson-0.7.0.6: re-generate with cabal2nix
haskell-hfsevents: re-generate expression with cabal2nix
haskell-lambdabot-wrapper: properly inherit the meta section from lambdabot