chore(haskell): update base and add stack file

haskell/gilded-rose.cabal

@@ -10,15 +10,16 @@ cabal-version:       >=1.10
 
 library
   exposed-modules:   GildedRose
-  build-depends:     base >=4.7 && <4.8
+  build-depends:     base >=4.7
   hs-source-dirs:    src
   default-language:  Haskell2010
 
 executable gilded-rose
   main-is:           Main.hs
-  build-depends:     gilded-rose, base >=4.7 && <4.8
+  build-depends:     gilded-rose, base >=4.7 
   hs-source-dirs:    src
   default-language:  Haskell2010
+  other-modules:     GildedRose
 
 test-suite spec
   type:              exitcode-stdio-1.0
@@ -27,7 +28,7 @@ test-suite spec
   default-language:  Haskell2010
   main-is:           Spec.hs
   other-modules:     GildedRoseSpec
-  build-depends:     base >=4.7 && <4.8
+  build-depends:     base >=4.7
                    , gilded-rose
                    , hspec
                    , hspec-expectations