Bump stackage version, uses later version of GHC

src/Dodge/Data/Block.hs

@@ -13,7 +13,7 @@ import Color
 import Control.Lens
 import Data.Aeson
 import Data.Aeson.TH
-import qualified IntSetHelp as IS
+import qualified Data.IntSet as IS
 import Dodge.Data.Material
 import Dodge.Data.PathGraph
 import Geometry
@@ -47,6 +47,6 @@ data BlSh
     deriving (Eq, Ord, Show, Read) --Generic, Flat)
 
 makeLenses ''Block
-deriveJSON defaultOptions ''Block
-deriveJSON defaultOptions ''BlockDraw
 deriveJSON defaultOptions ''BlSh
+deriveJSON defaultOptions ''BlockDraw
+deriveJSON defaultOptions ''Block